His room is thrice the size of mine.

他房间是我房间三倍大。

He received triple wages for all his extra work.

由于额作他领取了三倍资。

But in fact, T. rex broke the tyrannosaur mold, nearly tripling in body mass over its predecessors.

不过，霸王龙确突破了暴龙类形象，重也几乎是先前三倍。

His salary is treble mine.

他资是我三倍。

It's value has trebled.

它价值已增长三倍。

The enemy tripled his strength.

敌军把兵力增加三倍。