lack

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【释义】：

n．缺乏，不足，没有：lack of practice缺乏实践．There is no lack of petroleum in our country．我国不缺石油．for(or by，from，through) lack of因缺乏…，因没有…：The plants died for lack of water．植物因缺水枯死了．

－v．缺乏，缺少：We lack words with which to express our gratitude to the master workers．我们很难用语言表达我们对工人师傅的感激．It lacks 5 minutes of seven．七点差五分．They lacked for nothing．他们什么也不缺．