act as

1.He acted as secretary to the board.

他委员会秘书。

2.He acted as chairman of the meeting.

他担大会主席。

3.Who will act as mediator in the dispute.

谁在争端中当调解人?

4.Large fines act as a deterrent to motorists.

高额罚款是对开车人。

5.The cat acted as a surrogate mum to the chicks.

这只貓当起了小鸡妈妈来。

6.The committee acts as an independent watchdog over government spending.

这个委员会作为独立监察机构监督政府开支。

7.It acts as a catalyst in the process of fermentation.

它在发酵过程中起触媒作用。

8.We must not catch the bad habit of “acting as overlords”.

我们不应该染上“当官做老爷”习气。

9.In addition, leukemoid reaction occurred and acted as indicator of recurrence.

此外，此病例伴有白血病样反应可作为肿瘤复发指标。

10.The bursae act as cushioning to allow smooth gliding between these structures.

滑囊起缓冲作用，以保证两个结构通畅滑动。

11.A newly-devised microcomputer can act as a guide to a blind person.

一种新设计微型计算机能够人向导。

12.His wife's calm nature acts as a counterbalance to his excitability.

他妻子沉着冷静抵销了他急性子脾气。

13.This girl acted as our guide.

这女孩子我们向导。

14.He acted as host to visitors.

他以主人身份接待来客。

15.He acted as attorney for me.

他当我律师。

16.An oar often acts as rudder.

桨常可起舵作用。

17.He agreed to act as treasurer.

他同意担财务主管。

18.Mr. Jones will act as receiver for the company that has failed in business.

琼斯先生将作为那个破产公司破产清算管理人。

19.The difference in regional house prices acts as an obstacle to mobility of labour.

不同地区房价差异阻碍了劳动力流动。

20.In this way, a beautifier acts as an aid to communication and software maintenance.

用这种方式（指强迫程序接受标准化写法），美化器又当了辅助交流和软件维护角色。