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1·At work you need to be able to concentrate.

工作时你要能专心。《柯林斯英汉双解大词典》

2·We need to concentrate on our core business.

我们需要集中在核心业务上。《牛津词典》

3·I am leaving to concentrate on writing fiction.

我要离开去专心写小说。《柯林斯英汉双解大词典》

4·Don't put me off when I'm trying to concentrate.

别在我要集中精神时打扰我。《牛津词典》

5·He would do well to concentrate more on his work.

他最好还是更加集中精力在工作上。《牛津词典》

6·Her inability to concentrate could cause an accident.

她无法集中注意力可能会导致意外。《柯林斯英汉双解大词典》

7·I found it a strain having to concentrate for so long.

我觉得这么长时间全神贯注挺累的。《牛津词典》

8·I couldn't concentrate, presumably because I was so tired.

我的精神集中不起来，大概是太累了吧。《牛津词典》

9·The medicine always made him feel dopey and unable to concentrate.

那药总让他感到昏昏欲睡且无法集中注意力。《柯林斯英汉双解大词典》

10·He can now concentrate on a project he'd originally put to one side.

他现在能集中做他以前暂时搁置一边的一个项目了。《柯林斯英汉双解大词典》

集中

1·We need to concentrate on our core business.

我们需要集中在核心业务上。《牛津词典》

2·Don't put me off when I'm trying to concentrate.

别在我要集中精神时打扰我。《牛津词典》

3·I couldn't concentrate, presumably because I was so tired.

我的精神集中不起来，大概是太累了吧。《牛津词典》

4·Baits can be used to attract and concentrate foragers.

诱饵可以用来吸引觅食者，并将它们集中在一起。

5·If you concentrate all your energies on studying English, you will master the language.

如果你将全部精力集中在英语学习上，你就会掌握这门语言。

精矿

1·Annual copper in concentrate output would start at 30,000 metric tons and double a year later, he said.

他表示，每年的精矿产量开始时达到3万公吨，一年后产量能增加一倍。

2·Annual copper in concentrate output would start at 30, 000 metric tons and double a year later, he said.

他表示，每年的精矿产量开始时达到3万公吨，一年后产量能增加一倍。

3·Production in the long-term may reach 250,000 tons to 300,000 tons a year, Hu said. Tongling produced 44,000 tons of copper concentrate last year.

胡国斌称，公司长期产量将达到每年25万到30万吨，铜陵有色金属去年加工了4.4万吨铜精矿。

4·Production in the long-term may reach 250, 000 tons to 300, 000 tons a year, Hu said. Tongling produced 44, 000 tons of copper concentrate last year.

胡国斌称，公司长期产量将达到每年25万到30万吨，铜陵有色金属去年加工了4.4万吨铜精矿。

5·The few lead content is beneficial in the precious metal cyaniding, but the high lead content in the gold concentrate roasting-cyaniding is harmful.

少量的铅含量在贵金属的氰化提金工艺中是有益的，但铅含量过高在金精矿的焙烧—氰化提金过程中是有害的。

集中精力

1·When working, one should concentrate and not allow oneself to be distracted.

工作时要集中精力， 不要分心。《新英汉大辞典》

2·Or conversely, you can't concentrate in the office chaos and want to try working from home a couple days per week.

或者相反，你在办公室的吵杂声中不能集中精力而想一周中有几天是能在家中工作的。

3·How did it go again? If I am hungry then I won't concentrate.

它是怎么样的？如果我饿了，那么我就无法集中精力。

4·It was great to concentrate fully on academics, to spend time with your female friends, to skip shaving your legs for a week, if you wanted, and just wear pants.

可以集中精力学习，可以和女伴一起消磨时间，而且如果自己愿意的话，还可以一星期不用刮腿毛，只穿裤子。这种感觉真好。

5·Try yoga - Raise your energy level and ability to concentrate with the deep breathing techniques used in yoga.

尝试瑜伽——瑜伽的深呼吸调整技术能够帮你提升能量，集中精力。

浓缩

1·Gasoline or gasoline mixed with frozen orange juice concentrate or cat litter.

你可以选择汽油或者汽油和冰浓缩橙汁或者汽油和猫砂。

2·The next steps will include the team refining their extraction method to try and further concentrate the antioxidant properties of the waste powder.

该小组下一步将是改进萃取方法，尝试进一步浓缩粉末的抗氧化剂性能。

3·The downside: The first ingredient listed is a fruit, but it’s often a concentrate made from boiled-down juices fairly rich in sugar and lacking the phytonutrients and vitamins found in whole fruits.

但事实的真相是：这种以水果作为主要成分的食品，实际上就是些含糖量极高的浓缩果汁，根本就没有真正水果所含有的植物营养素和维生素。

4·Frozen concentrate is exposed to less light and air.

冰冻浓缩的橙汁接触空气和光照的程度最少。

5·When you can't concentrate it, then the only way to harvest it is to use more and more land.

如果你无法浓缩太阳能，那么获得太阳能的唯一办法就是使用越来越多的陆地面积。

全神贯注

1·I found it a strain having to concentrate for so long.

我觉得这么长时间全神贯注挺累的。《牛津词典》

2·Scientology preaches that, if you touch the wound to the object that caused the injury and silently concentrate, the pain lessens and a sense of trauma fades.

山达基鼓吹，如果你对着伤到你的对象触摸自己的伤口，并且默默地全神贯注，那么疼痛就会减轻，受伤的感觉就会渐渐消失。

3·Take a moment to calm down, breathe easy, concentrate, let your heartbeat slow, and get in the zone.

花点时间让自己平静下来，放松地呼吸，全神贯注，让心跳放缓，然后进入拍摄状态。

4·The new equipment gives the pilot an opportunity to concentrate more on the execution of combat tasks, the Rossiiskaya Gazeta wrote.

俄罗斯日报如是说，在新系统的帮助下，飞行员可以全神贯注地执行战斗任务。

5·Those are the crucial days in forming a habit, when you really need to concentrate your energy.

通过在30天期限内全神贯注地完成一个目标，它将变成一种习惯，之后你就不再需要这个目标了。

聚集

1·One way to do so is to concentrate sunlight onto them.

一种方法是将太阳光聚集到电池上。

2·Instead, the company specialises in concentrating solar-thermal technology in which mirrors concentrate sunlight to produce heat.

该公司专门从事“聚合太阳热能技术”，该项技术用镜子聚集太阳光，制造热能。

3·One of the most innovative ideas comes from a start-up called CoolEarth Solar, which USES thin-film plastic lenses, blown up like a balloon, to cheaply concentrate the sun's rays.

最具创意的一个想法来自一个叫CoolEarth Solar的新公司，他们使用薄膜塑料镜片，像一个气球一样吹起来，这样就可以很省钱的聚集阳光。

4·Birds concentrate in places where food is abundant.

鸟聚集在食物丰盛的地方。

5·In the dry season, the animals tend to concentrate in the areas where there is water.

动物在干旱的季节里常常聚集在有水的地方。

精力集中

1·This liberates Ideogramic to concentrate on refining the unique value of its Gesture Recognition tool.

这使得Ideogramic能够解脱出来把全部精力集中在精益求精地提高其“手势识别”工具的独特价值上。

2·Since then, it had to withdraw their free offerings to concentrate on remaining profitable.

从那时起，必须取消免费服务并把精力集中在盈利的部分。

3·These assets can then be reused, allowing developers to concentrate on creating new assets for current projects.

随后可以对这些资产进行重用，从而允许开发人员将精力集中在为当前项目创建新资产上。

4·No stress today and you have the chance to concentrate on creative tasks or perhaps just have a good time at home with loved ones.

今天没有压力，你有机会将精力集中在有创造性的任务上，也许仅仅是在家里和爱人过的很快乐。

5·While ModuleFusion could contain those classic JEE features, we will concentrate to use and promote the OSGi programming model, e.g. OSGi services instead of EJB session beans.

虽然ModuleFusion可以包含那些经典的JEE特性，但我们仍将精力集中于使用并促进OSGi编程模型，比如我们提供OSGi服务而非ejb Session Beans。

浓缩物

1·Imported concentrate could be bought for euro 1.27 a kilo—53 cents less than production cost in Italy.

进口浓缩物可以卖到1.27欧元每千克---比在意生产的成本价低53分。

2·One of the best ways to treat a bladder infection such as cystitis is with cranberry concentrate.

越橘浓缩物是治疗膀胱炎等疾病的一种灵丹妙药。

3·On February 29, 1984, Cutter became the last of the four major blood product companies to get US approval to sell heated concentrate.

1984年2月29日，卡特成为美国四个主要血液制品公司中的最后一个获得美国授权，可以卖加热浓缩物的公司。

4·A partially purified concentrate of the solid endosperm is active in inducing growth in carrot root tissue.

固体胚乳的部分纯化浓缩物，对胡萝卜根组织的诱导生长也是有用的。

5·The final crystal slurry is sent to a separator, which produces a stream of pure concentrate and an ice product, which may contain low levels of product.

最终的晶体浆液被送到分离器中，生产纯浓缩物蒸汽和冰生成物。

浓缩液

1·Sheep use of Fulvic acid complex concentrate (for animal) results in the table below.

绵羊食用复合黄腐酸浓缩液（动物用）后，效果见下表。

2·This concentrate is then further upgraded by use of WHIMS, deslimed, thickened and sent directly to the Bulk Reduction Leach circuit.

浓缩液再次通过WHIMS流程进行精制，脱泥，稠化，然后直接送到批量还原过滤流程。

3·A sparkling juice beverage comprising carbonated water, juice concentrate, antioxidants Vitamins C and E, green tea extract and grape seed extract.

本发明是关于起泡果汁饮料，其包含碳酸水、果汁浓缩液、抗氧化剂维生 素C及E、绿茶萃取物以及葡萄籽萃取物。

4·Mobilcut st is an additive concentrate for the treatment of cutting fluid emulsions and solutions - and water treatment systems.

美孚克特切削油st是一种添加剂浓缩液用作乳化及水溶性切削液的处理剂，也可用在水处理系统中。

5·Aloe water may be used in drinks, aloin concentrate may be used as medicinal materials, aloe polysaccharide concentrate may be used as food and cosmetic additives.

芦荟水可作饮料：芦荟苷浓缩液作药用原料；芦荟多糖浓缩液作食品、化妆品添加剂。

(1)concentrate on集中精力于；全神贯注于

(1)copper concentrate铜精矿

(1)ore concentrate精矿

(1)zinc concentrate锌精矿；精炼锌

(1)protein concentrate浓缩蛋白；蛋白质精料

(1)iron ore concentrate铁精矿，铁精砂