assist vt.援助，帮助；搀扶；
consist vi.由…组成；在于；
desist v. 停止，中止；
insist vi.坚持；坚持要求；
persist vi.持续，存留，等。
例句：
You assist him in correting the proof.
你辅助他做修改校样的工作。
He will assist you to complete the task.
他会辅助你去完成这项任务。
All her friends assist at the wedding ceremony.
她的朋友们都参加了婚礼。
The lungs consist of millions of tiny air sacs.
肺包含数百万个小肺泡。
The development will consist of 66 dwellings and a number of offices.
新建楼区将由66栋住房和一些办公用房组成。
The division will consist of two tank companies and one infantry company.
该师将由两个坦克连和一个步兵连组成。
You stand up to them and you say desist.
你站在他们这边，你说要停止。
You ought to desist from such foolish activities.
你们必须停止这种如此愚蠢的行动国。
They ought to desist from such foolish activities.
他们应该停止这种愚蠢的活动。
We insist on the highest standards at all times.
我们始终坚持最高标准。
They insist on sticking to the letter of the law.
他们坚持严守法律的字面意义。
Our buyers insist on high standards of workmanship and materials.
我们的买主对工艺和材料坚持要高标准。
Even in this day and age the old attitudes persist.
即使在今天，一些陈旧的观念仍然存在。
Why do you persist in blaming yourself for what happened?
你何必为已发生的事没完没了地自责？
Why do people persist in begging for money in the street?
为什么人们非要在街上讨钱呢？
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