交易: business; deal; trade; transaction; sales transaction 短语和例子肮脏的政治交易 a dirty political deal; 黑市交易 black market colloidal powder; bargain; 决不拿原则做交易 never barter away principles; 赊帐交易 credit t
纯: 形容词1.(纯净; 不含杂质) pure; unmixed 短语和例子纯白 pure white; 纯黑 all black; 纯金 pure [solid] gold; 纯毛 pure wool2.(纯粹; 单纯) simple; pure and simple 短语和例子纯属捏造 sheer fabrication3.(纯熟) skilful; practised; w
