They used slings of rope to lower us from one set of arms to another.
他们用几条绳索把我们从一组吊臂降到另外一组吊臂。
《柯林斯英汉双解大词典》
2
This is a tale of two friends, one is blind, the other has no arms.
这是一个关于两个朋友的故事,一个是盲人,另一个没有胳膊。
3
Wagner wrote a will that would do this: to each of his four brothers, he left one of his legs or arms, his nephew got his nose and his two nieces each got an ear.