to act as
充当秘书
act as a secretary
充当...的工具
use something to act as a
充当某某角色
take up the role of
汉译英翻译词典收录86165条汉英翻译词条，基本涵盖了全部常用中文字词的英语拼写、翻译、音标、读音、用法、例句等，是英语学习的有利工具。