attrib.
1- consisting of or involving three parts, things, or people（有）三个部分的, 三件事（或物）的, 三件套的; 三人的：
a triple murder
三重谋杀
triple somersaults.
三连筋斗。
1.1
- having three times the usual size, quality, or strength三倍的：
a triple dark rum.
三倍浓度的深色朗姆酒。
1.2
- (of a person or animal) having done or won something three times（人, 动物）做了三次的, 赢了三次的：
a triple champion.
三连冠。
- three times as much or as many三倍：
the copper energy cells had triple the efficiency of silicon cells.
铜电池的功率是硅电池的三倍。
1
- a set of three things or parts三个一组。
1.1
- an amount that is three times as large as another三倍数; 三倍量：
Rowe scored two single centuries and a triple.
罗得了两个单打百分和一个三倍分。
2
triples
a sporting contest in which each side has three players三人赛（每边三人的体育比赛）。
3
triples
Bell-ringing a system of change-ringing using seven bells, with three pairs changing places each time【鸣钟术】三响。
4
- Baseball a hit which enables the batter to reach third base【棒球】三垒打。
no obj.
1- become three times as much or as many使增至三倍, 使成三倍：
grain prices were expected to triple.
谷物价格预计要涨到原价的三倍。
1.1
- with obj. multiply (something) by three（某数）乘以三：
the party more than tripled its share of the vote.
使得票率增至三倍多的政党。
派生词
triply
adverb词源
Middle English (as an adjective and adverb)： from Old French, or from Latin triplus, from Greek triplous.