triple
adjective uk/ˈtrɪp.əl/ us/ˈtrɪp.əl/
三部分的;发生三次的
having three parts of the same type, or happening three times
Her trainer is a triple Olympic champion. 她的教练是3届奥运会冠军。
There's a triple bill of Hitchcock films (= three films) on at the cinema next Sunday. 下周日将有3部希区柯克的影片在这家电影院上映。
triple something 三倍于
three times as large as something
The number of one-parent households reached 10.1 million in 2011, nearly triple that of 1981. 1991年单亲家庭的数量达到了1010万，几乎是1981年的3倍。
triple
verb [ I or T ] uk/ˈtrɪp.əl/ us/ˈtrɪp.əl/
（使）成三倍，（使）增加两倍
to increase three times in size or amount, or to make something do this
We have tripled our output over the past two years. 过去两年里，我们的产量增加了两倍。
The workforce has tripled in size since the new factory opened. 自新工厂开工以来，职工人数已经增加了两倍。