短语词组短語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 簡單陳述Mainly used 主要使用Mainly characteristic 特點Mainly the 達不到要求Mainly pleasure 高興爲主Using mainly 主要利用mainly welcome 主要表示歡迎 返回 mainly