跳伞用英语叫做 "skydiving"，来源于英文单词 "sky"，意思是 "天空"，和 "diving"，意思是 "潜水"。这两个单词结合起来，指的就是从天空中跳下来潜水。

例句：

I've always wanted to try skydiving. (我一直想尝试跳伞。)

Skydiving is an exciting and thrilling adventure. (跳伞是一项刺激的冒险活动。)

He's a professional skydiver with over 1000 jumps under his belt. (他是一名职业跳伞者，跳伞次数已超过1000次。)