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1·It was a period of intense activity.

那是活动激烈的时期。《牛津词典》

2·Parents encourage every activity imaginable.

父母鼓励一切可能的活动。《柯林斯英汉双解大词典》

3·Economic activity often follows a cyclical pattern.

经济活动常常遵循周期性模式。《牛津词典》

4·Does such an activity constitute a criminal offence?

难道这样的活动也算刑事犯罪吗？《牛津词典》

5·The test records the electrical activity of the brain.

这个测试显示出大脑的电流活动。《柯林斯英汉双解大词典》

6·The rehearsal studio is buzzing with lunchtime activity.

排练场被午餐时段活动搞得很热闹。《柯林斯英汉双解大词典》

7·If the weather is wet or cold choose an indoor activity.

如果下雨或是天气寒冷，就选择室内活动。《柯林斯英汉双解大词典》

8·He had been engaging in some kind of kinky sexual activity.

他一直在进行一些反常的性活动。《柯林斯英汉双解大词典》

9·Cooperative activity is essential to effective community work.

要把社区工作做好，协作活动是必不可少的。《牛津词典》

10·Physical activity is an important factor in maintaining fitness.

体育活动是保持健康的一个重要因素。《柯林斯英汉双解大词典》

活动

1·It was a period of intense activity.

那是活动激烈的时期。《牛津词典》

2·Economic activity often follows a cyclical pattern.

经济活动常常遵循周期性模式。《牛津词典》

3·Does such an activity constitute a criminal offence?

难道这样的活动也算刑事犯罪吗？《牛津词典》

4·The test records the electrical activity of the brain.

这个测试显示出大脑的电流活动。《柯林斯英汉双解大词典》

5·The rehearsal studio is buzzing with lunchtime activity.

排练场被午餐时段活动搞得很热闹。《柯林斯英汉双解大词典》

活性

1·Moreover, other compounds that block phosphodiesterase's activity are not stimulants.

此外，其他阻止磷酸二酯酶活性的化合物不是兴奋剂。

2·Chroman has retinoid-like biological activity.

苯并二氢吡喃具有类维生素A的生物活性。

3·Phosphomolybdic acid is widely used as active catalyst owing to its acid and redox activity.

磷钼酸具有良好的酸性和氧化还原活性，被广泛用作活性催化剂。

4·The pseudocholinesterase activity after adsorption was almost 3 fold compared with before adsorption.

吸附后的伪胆碱酯酶活性几乎是吸附前的3倍。

5·Nitric oxide synthase activity may also result in the subsequent activation of guanylyl cyclase and PKG.

一氧化氮合酶活性也可能导致随后的冠状液环化酶和 PKG 的激活。

活跃

1·During the day, your brain is a beehive of activity—during NREM sleep, it is barely humming.

在白天，你的大脑就像一个活跃的蜂窝——在非快速眼动睡眠期间，它就几乎没有嗡嗡声了。

2·Shakespeare's life time was coincident with a period of extraordinary activity and achievement in the drama.

莎士比亚的一生恰好是戏剧界异常活跃、硕果累累的时期。

3·Another flaw of the tiredness theory is that yawning does not raise alertness or physiological activity, as the theory would predict.

疲劳理论的另一个缺陷是，打哈欠并不能像该理论所预测的那样，提高警觉性或生理活跃度。

4·When someone speaks to an introvert, her brain responds with a high level of activity.

当有人对内向者讲话时，她的大脑会高度活跃地对此做出回应。

5·So whenever a meme achieves a certain level of activity, we catch that, and we update the website to include that meme.

所以每当一条迷言达到一定程度的活跃度时，我们捕捉到这个情况，就更新网站，把这条迷言包含进去。

行动

1·Faced with any situation that can't be solved by the sheer force of activity, they generate a dust cloud of impatience.

面对任何单凭行动的力量无法解决的情况，他们会产生不耐烦的情绪。

2·The bill includes everything from grants to tax credits to encourage green energy activity.

这个法案包含了一切，从津贴到税收减免到鼓励新能源行动。

3·A person to social value, be decided by his affection, thought first with the activity to promote the human benefits have how big functions.

一个人对社会的价值，首先取决于他的感情、思想和行动对增进人类利益有多大作用。

4·The White House reckons that moving detainees and other federal prisoners to Thomson will generate up to $1.1 billion of activity over the first four years.

白宫估算移动关塔那摩和其他联邦监狱的囚犯到汤姆逊小镇的行动，前四年就将产生高达1.1亿美元经费。

5·For each morning activity he completed within his self-allotted time limit, he rewarded himself by putting money into his Hawaii-getaway fund.

对每个早晨的行动他都会在自己分配好的时间内完成，并把钱存入夏威夷度假基金里来奖励自己。

活动性

1·Women's brains also showed decreased activity in the amygdala and hippocampus, which deal with fear and anxiety.

女人的大脑还表现为，杏仁体和海马体活动性降低。 二者与恐惧和焦虑有关。

2·The Earth could enter a new 'Little Ice Age' in the coming years due to low solar activity, astronomers believe.

由于太阳活动性下降，天文学家们相信在未来的几年内，地球可能将进入新的小冰河时期。

3·Bipolar disorders also heighten the activity of the sympathetic nervous system, which sets off the fight-or-flight response to stress.

双相情感障碍也加强了交感神经系统的活动性，它对压力做出战斗-逃跑的反应。

4·Exactly how those instructions get transmitted and subsequently become eye color, etc., is constantly affected by hormones, which in turn can be affected by nutrition, stress, activity, even thoughts.

准确的讲，这些指令如何传递及变成眼睛颜色等，不断受到激素的影响。而激素本身又受营养状况、压力、活动性甚至思想的影响。

5·While designing and constructing psychological educational curriculum system, we should follow system principle, main body system, and activity principle.

在设计与建构心理教育课程体系时应遵循系统性原则、主体性原则和活动性原则。

活度

1·The effect of water activity on growth of microorganisms, lipid oxidation, enzyme activity, food texture as well as protein and vitamins were also discussed.

讨论了水分活度对微生物生长、食品中油脂的氧化、酶活力、食品的质构、食品中蛋白质和维生素的影响。

2·Plant uptake of a metal depends primarily on the free metal ion activity.

植物对金属的吸收主要取决于自由态离子活度。

3·How to estimate the activity coefficient of a chemical species is a problem which we must deal with carefully.

如何合理地估算活度系数是水环境化学数值模拟工作中必须慎重考虑的问题。

4·In the expressions, activities and activity coefficients are functions of the composition.

在该式中各组元的活度系数可以表示为组成的函数。

5·Getting activity of component is an important aspect of researching the thermodynamic characters of alloy.

组元活度的获得是合金热力学性质研究的一个重要方面。

活动量

1·This all amounts to heightened activity and noise levels, which have the potential to be particularly serious for children experiencing auditory function deficit.

所有这一切都意味着活动量和噪音水平增加，这对有听觉功能缺陷的儿童来说有更加严重的潜在影响。

2·It is appropriate to start with smaller amounts of physical activity and gradually increase duration, frequency and intensity over time.

适宜的方法是，从较小的活动量开始，然后随着时间的推移，逐渐增加持续时间、频度和强度。

3·WHO provides recommendations for the optimal amounts of activity, but doing some physical activity is better than doing none.

世卫组织提出最佳活动量的建议，但多少开展一些身体活动总比一点也不做要好。

4·Recurrent asthma symptoms frequently cause sleeplessness, daytime fatigue, reduced activity levels and school and work absenteeism.

周期性哮喘症状往往导致失眠、日间疲劳、减少活动量，不能上学和工作。

5·Increase your general physical activity throughout the day by walking more and using your car less or try doing more yardwork or vigorous spring cleaning.

通过多走路、少用车、做更多的院子里的体力活或者剧烈的大扫除，来增加身体一天的活动量。

活动度

1·He includes for each a high-level categorization and information about the group's topic, membership, and activity level, as well as his own personal take for a few.

文中他逐一讲述了每个类别和对应的具体信息，包括邮件列表的主题，成员，活动度以及一些他自己的观点。

2·Minocycline monotherapy is recommended for patients without poor prognostic features, with low disease activity, and with short disease duration.

米诺环素单一疗法为那些没有不良预后特征的、病情活动度低且病程短的患者推荐。

3·Methotrexate or leflunomide monotherapy should be started for patients with all disease durations and for all degrees of disease activity irrespective of poor prognostic features.

来氟米特或甲氨蝶呤单药治疗被推荐用于任何病程以及任何疾病活动度的患者的初始治疗，不论患者是否具有预后不良的特征表现。

4·The result of liver function, renal function, electrolyte, prothrombin time activity (PTa), blood routine before and after the treatment were analyzed.

比较了血浆置换前后患者临床症状、肝肾功能、电解质、凝血酶原活动度、血常规变化等。

5·Results It was more prominent of decrease icterus index, increase seralbumin, the activity of prothrombin and the effective rate in the trial group than in the control group.

结果治疗组在降酶、退黄，提高血清白蛋白、升高凝血酶原活动度，以及治疗有效率等方面均优于对照组，差异具有显著性。

能动性

1·The practical moral subject has its basic characteristics that are activity, independence and self-center.

实践性道德主体有着自己的基本特征：能动性、自主性和为我性。

2·Man's praxis includes not only activity but also objectivity, and it is the ontological foundation of man as the historical subject and environment as the historical object.

这种观点认为：人的“实践”既具有能动性，又拥有客观性，是历史主体的人与历史客体的环境赖以存在的本体论基础。

3·Based on the experiments of basic technical ability exercise, synthetical application exercise is added in order to enhance the subjective activity of students.

作者在基本技能训练实验的基础上，增设了综合应用训练，以提高学生参与实验的主观能动性。

4·Students are the subject in education process, and their subject consciousness is manifested in independency, activity, creativity and restrictiveness.

学生是教育过程的主体。学生的主体性表现为自主性、能动性、创造性和受制性。

5·Legal subject elements in judicature activities affect the judicature efficiency through the performance of subjective activity. And legal subjects mainly include citizens, judges and lawyers.

法主体在司法活动中通过发挥其主观能动性影响着司法效率，法主体主要包括公民、法官、律师。

(1)economic activity经济活动

(1)catalytic activity催化活性

(1)physical activity身体活动，体育活动；体力活动

(1)biological activity生物活性

(1)enzyme activity酶活力

(1)business activity商业活动，经济活动；业务活动