充任

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

一种新设计的微型计算机能够充任盲的向导。

He occupies an important position in the Ministry of Education.

他在教育部充任要职。

He acted as secretary to the board.

他充任的秘书。

This girl acted as our guide.

这女孩子充任我们的向导。

Then the aspiring reporter may break into newspaper work as a copyboy， running errands and helping staff reporters.

有抱负的通讯开始可去当送稿，跑腿，或充任正式的助手，以闯进新闻工作的圈子。