分词翻译
投的英语翻译：
cast; deliver; fling; pitch; send; throw
【医】 administer机的英语翻译：
chance; crucial point; engine; machine; occasion; organic; pivot; plane
flexible
【医】 machine交易的英语翻译：
exchange; trade; bargain; deal; market; merchandise
【经】 bargain; bargaining; buy; deal; dealings; sales transaction; trade
trading
