问题描述： only children是个词组,aim 它的用法 1个回答 分类：英语 2014-12-10 问题解答： 我来补答 经常说only child,意为独生子女,比如；I'm the only child in my family.aim of 是目的的意思,如；The aim of the training is to let you find your own problems. 展开全文阅读
