词组 | machine |
释义 | machine,machinery 1. a machine 是 “一台机器”,为可数名词; machinery 是“机器”的总称,一般为不可数名词: apply a command to several ma- chines The operating room has a lot of machines to help the doctor. It is devoted to the advancement of US-based textile machinery. He knows how to operate a piece of machinery. 2. 如果要表示 machinery 的数量,可以说: several pieces of machinery an item of machinery a set of machinery rows of machinery |
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