四番,汉语词语,读音为sì fān,解释为四方边境的藩国、四次。
研究者把一个湖泊的鲑鱼全部捞走,青蛙数量很快翻了四番。
Researchers removed the trout from one lake, and the frog population soon quadrupled.
从1980年到2008年,美国人丢弃的塑料的量翻了四番。
THE amount of plastic thrown away by Americans increased fourfold between 1980 and 2008.
在过去的40年中,美国女性乳癌的发病率已经翻了四番,每年造成44,300人逝世亡。
The incidence of Breast Cancer in women in the United States has cloisterrupled in the endure 40 years, causing 44,300 afterlifes anniversaryly.
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