three times greater in amount, number, or size三倍的
to increase three times in size or amount, or to make something do this(使)成三倍
being or relating to a boy's voice that sings the highest notes, or an instrument that plays the highest notes(男童声)唱最高声部的(地);(乐器)奏最高声部的(地)
mainly UK US usually soprano a boy with a treble voice童声高音歌手
[ usually singular ] UK US triple an occasion when a football club wins three major competitions in a single season足球俱乐部在同一赛季中赢得三项桂冠
verb
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