He acted as secretary to the board.

充任委会的秘。

He occupies an important position in the Ministry of Education.

教育部充任要职。

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人的向导。

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.

而有抱负的通讯可去当送稿生，替人跑腿，或充任正式的助手，以闯进新闻工作的圈子。

Then the a iring reporter may break into new aper work as a copyboy, ru ing errands and helping staff reporters.

而有抱负的通讯可去当送稿生，替人跑腿，或充任正式记者的助手，以闯进新闻工作的圈子。