act as

He acted as secretary to the board.

他任委员会的秘书。

He acted as chairman of the meeting.

他担任大会主席。

Large fines act as a deterrent to motorists.

高额罚款是对开车的人的制约。

Who will act as mediator in the dispute.

谁在争端中解人?

The cat acted as a surrogate mum to the chicks.

这只貓起了小鸡的妈妈来。

It acts as a catalyst in the process of fermentation.

它在发酵过程中起触媒的作用。

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。

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

此外，此病例伴有白血病样应可作为肿瘤复发的指标。

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

我们不应该染上“官做老爷”的坏习气。

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

滑囊起缓冲作用，以保证两个结构的通畅滑动。

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

一种新设计的微型计算机任盲人的向导。

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

他妻子的沉着冷静抵销了他的急性子脾气。

He acted as attorney for me.

他我的律师。

This girl acted as our guide.

这女孩子任我们的向导。

He acted as host to visitors.

他以主人身份接待来客。

An oar often acts as rudder.

桨常可起舵的作用。

He agreed to act as treasurer.

他同意担任财务主管。

The personnel manager has been casting about for somebody who can act as receptionist.

人事部经理一直在到处物色接待员的人选。

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），美化器又了辅助交流和软件维护的角色。

In the play, a wicked uncle acts as a foil to the noble prince.

在剧中，一个坏心肠的叔父给高贵的王子做衬托。