He acted as chairman of the meeting.

他担任大会主席。

He acted as secretary to the board.

他充任委员会的秘书。

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.

谁在争端中充当调解人?

The committee acts as an independent watchdog over government spending.

这个委员会为独立察机构府开支。

The cat acted as a surrogate mum to the chicks.

这只貓当起了小鸡的妈妈来。

It acts as a catalyst in the process of fermentation.

它在发酵过程中起触媒的用。

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“当官做老爷”的坏习气。

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。

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

设计的微型计算机能够充任盲人的向导。

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

滑囊起缓冲用，以保证两个结构的通畅滑动。

He agreed to act as treasurer.

他同意担任财务主管。

He acted as attorney for me.

他充当我的律师。

This girl acted as our guide.

这女孩子充任我们的向导。

He acted as host to visitors.

他以主人身份接待来客。

An oar often acts as rudder.

桨常可起舵的用。

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

在剧中，个坏心肠的叔父给高贵的王子做衬托。

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

琼斯先生将为那个破产公司破产的清算管理人。

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

用这方式（指强迫程序接受标准化写法），美化器又充当了辅助交流和软件维护的角色。