龟缩的英文怎么说

龟缩的英文：
withdraw into passive defence

withdrawal symptoms
ph.1. 戒毒过程中产生的病症(诸如盗汗、恶心等等)

to withdraw from a competition; to scratch
退出比赛

But this is seldom the cause for withdrawal from publication.
但是导致停止出版的情况则是很少的。

In no case will they look on passively.
他们决不会在一边看热闹。

It uses a passive damper.
它采用的是一个无源阻尼器。

The enquiry facility is passive.
询问功能是被动的。