two fold purchase 双重复滑车组 ; 绞辘 ; 双滑车
two fold transitive group 双重可迁群
two-fold diffraction 双重衍射
two fold window 双折窗
Two-Fold 双重 ; 双面的 ; 二重
Serial two-fold method 二倍稀释法
two-fold axis 二重轴 ; 二次轴
two-fold coincidence 双重符合
ADJ You can use twofold to introduce a topic that has two equally important parts. 有两部分的 [正式]
The reason for the interview is twofold: we want to find out what he can tell us, plus we also want to find out what condition he is in.
这一采访的原因有两个：我们既想看看他能告诉我们些什么，也想弄清他的处境如何。
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