短语词组短语mainly ad 大概;主要地;次要地contractor mainly 承包商主要;承建商主要;主要承建商mainly presentation 简单陈述Mainly used 主要使用Mainly characteristic 特点Mainly the 达不到要求Mainly pleasure 高兴为主Using mainly 主要利用mainly welcome 主要表示欢迎 返回 mainly