ze·ro

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【释义】：

num．0，零：Five minus five is equal to zero．五减五等于零．

－(pl．zero(e)s)n．❶ 冰点，零度，零点，零位：The thermometer fell to zero last night．气温表昨夜降到零度．Water freezes at zero(degree)Celsius．水在摄氏零度结冰．It is ten degrees below(above) zero．现在是零下(上)十度．absolute zero【理】绝对零度(摄氏－273．7°)．zero capacity【电】起点电容．flying at zero feet【空】超低空飞行．zero hour【军】进攻发起时间．❷ 乌有：The hopes of the reactionaries were reduced to zero．反动派的希望化成了泡影．