卸扣的英文：
shackle

参考例句：

Ships' swivel shackle
GB/T14526-1993船用转环卸扣

shackle是什么意思：
n. 手铐，束缚，卸扣
v. 给...带上手铐或脚镣，束缚

Ships' swivel shackle
GB/T14526-1993船用转环卸扣

The labor unions are shackled by the law.
该工会被法律所羁绊。

The cars of the train are coupled together by shackles.
列车的车厢被链子连着。

They tried to quit themselves of the shackles of metaphysics.
他们尽力设法摆脱形而上学的枷锁。

If you're a swift horse, honest is not the shackle that durance you.
如果你是一匹千里马，忠诚不是禁锢你的脚镣。