tripling

柯林斯词典

1. ADJ Triple means consisting of three things or parts. 三个的; 三部分的[ADJ n]
...a triple somersault. …连续三个筋斗。
2. V-T/V-I If something triples or if you triple it, it becomes three times as large in size or number. 使成为三倍; 变成三倍
I got a fantastic new job and my salary tripled. 我得到了一份极好的新工作，我的薪水是原来的三倍。
The exhibition has tripled in size from last year. 这个展览会面积是去年的三倍。
3. PREDET If something is triple the amount or size of another thing, it is three times as large. 3倍的[PREDET 'the' n]