n.一式三份；重復(fù)三次
v.制成一式三份；使成三倍
adj.一式三份的；三倍的
The contract has been written in triplicate. 這份合同已經(jīng)寫成一式三份。
Each sample was tested in triplicate. 每種樣品都做過(guò)三次檢驗(yàn)。
