1
- three times as great or as numerous三倍的：
a threefold increase in the number of stolen cars.
被窃汽车数量增长三倍。
1.1
- having three parts or elements有三部分的; 三重的：
the differences are threefold.
不同点有三个方面。
- by three times; to three times the number or amount三倍地; 三重地：
the aftershocks intensify threefold each time.
余震每次增强三倍。