unwinds , unwinding , unwound
When you unwind, you relax after you have done something that makes you tense or tired.
It helps them to unwind after a busy day at work.
这有助于他们在一天繁忙的工作后放松一下。
If you unwind a length of something that is wrapped around something else or around itself, you loosen it and make it straight. You can also say that it unwinds.
One of them unwound a length of rope from around his waist.
他们中的一个人解开绕在他腰间的绳子。