continual/continuous/successive.导航词义：连续的

1. continual:adj. 接连不断的，连续的.指不间断地长时间持续的，或令人厌烦地反复发生的，只作定语。

He is in a continual process of rewriting his paper.

他一直在不断地改写论文。

The continual gunfire kept us awake all night.

断断续续的炮火使我们彻夜未眠。

The continual flashes of lightning scared the child.

频频的闪电吓坏了孩子。

2. continuous:adj. 连续不断的，无间歇的.语义最强，指在时间和空间上没有间断的，强调没有停顿或间歇。

the continuous line of traffic

络绎不绝的车辆

The brain needs a continuous supply of blood.

大脑需要连续不断地供血。

A week's continuous bombing destroyed the whole city.

一周的连续轰炸使整个城市成了废墟。

3. successive:adj. 连续的，接二连三的.指事物一个接一个地发生或到来的，期间没有间断，只作定语。

It rained three successive days.

连续下了3天的雨。

He hit four successive home runs in one game.

他在一场比赛中连续打出4个本垒打。

全部

1·They felt continual pressure to perform well.

他们感受到持续不断的、要表演得好的压力。《柯林斯英汉双解大词典》

2·She finds the continual confrontation very wearing.

她发现持续的对峙使人精疲力竭。《柯林斯英汉双解大词典》

3·Due to the continual rain, the school's sports meet has been postponed again till further notice from the principal's office.

由于连续下雨，学校的运动会再次推迟，要等校长办公室另行通知时间。

4·Current studies of early modern absolutism—rule by one person with absolute authority—emphasize continual negotiations between ruler and ruled.

现代早期绝对主义的研究强调统治者与被统治者之间的持续谈判。

5·The continual speeding up of bodily reactions and the production of stress-related hormones seem to make people more susceptible to heart disease.

持续加速的身体反应和产生与压力有关的荷尔蒙，似乎使人更容易患心脏病。

6·Life was a continual struggle for them.

生活对他们来说就是不断的挣扎。《牛津词典》

7·We lived in continual fear of being discovered.

我们长期生活在害怕被发现的恐惧中。《牛津词典》

8·The school has been in continual use since 1883.

该校自1883年以来一直在不断使用中。《柯林斯英汉双解大词典》

9·Her daughter was a continual source of delight to her.

她的女儿是她无限快乐的源泉。《牛津词典》

10·He was in a continual process of rewriting his material.

他一直在不断地改写他的材料。《牛津词典》

持续不断的

1·At the same time, it has no more significance than the continual and imperceptible creation in which the actor, the conqueror, and all absurd men indulge every day of their lives.

与此同时，这种创造也不会比那演员、征服者和所有荒谬之人每日乐此不疲且持续不断而又无法感知的创造更具有深意。

2·It may not have advanced proportionately, but it certainly has received continual attention over the past two decades.

它可能没有超前均衡，但是理所当然地，它在过去二十年中已经受到持续不断的注意。

3·Don't forget to keep adding to those strong relationships you have established as well since it's these continual deposits that have made them so strong in the first place.

不要忘记要一直增强你已经建立的关系，因为正是这些持续不断的储蓄让它们变得那么牢固。

4·So Tracey (and others who think this author has all the answers) it is a continual journey…this getting to know oneself and being able to live the truth we seek.

所以，特雷西（以及其他的认为这个权威知道所有答案的人）认为这是个持续不断的旅程，这是一个让自己逐渐认识自己并活出真我的过程，这也是我们所在追求的。

5·Your tasks are made easier by the continual help you get, which is largely unseen.

通过你们所得到的持续不断的帮助，你们的任务变得更加容易，这些帮助大多是看不见的。

频繁的

1·As with all releases, user feedback and continual testing often uncovers opportunities for incremental optimization.

像所有版本一样，用户反馈以及频繁的测试通常能够发现一些增加的最优化机会。

2·We experienced a continual series of hot spells last summer.

去年夏天我们经受了一连串频繁的热浪袭击。

3·His continual phone calls started to annoy her.

他频繁打电话给她，开始使她生厌。

4·She sadly missed the continual social life and careless and easy-going hospitality of her father's home.

她十分伤心地怀念她父亲家里频繁的社交生活和无所用心、悠闲自在的舒适环境。

5·She sadly missed the continual social life and careless and easy-going hospitality of her father's home .

她十分伤心地怀念她父亲家里频繁的社交生活和无所用心、悠闲自在的舒适环境。

(1)continual improvement持续改进