tri·ply
adverb/ˈtrɪpli/
/ˈtrɪpli/
- three times; in three ways; three times as much
三次：通过三种方式 三倍 - The water was triply distilled.
将水进行三次蒸馏。 - Building an instrument for space astronomy is triply difficult.
建造空间天文学仪器非常困难。
- The water was triply distilled.