to serve as a replacement usually for a time onlyshe will be standing in for the regular teacher for a week
she will be standing in for the regular teacher for a week
covered, filled in, pinch-hit, stepped in, subbed, substituted, took over
understudiedrelieved, spelleddoubled (as)
英语同义词词典收录了63618条英语词条,基本涵盖了全部常用同义词或反义词的辨析及翻译,是英语学习的有利工具。