是闭音节。

n. 雨伞保护伞庇护伞形结构Her umbrella blew inside out.

她的伞被吹得往外翻了。

Can I borrow your umbrella?

借你的伞用一下行吗

They held a large umbrella over her.

他们给她撑起一把大伞。

I put up my umbrella.

我撑开伞。

She hit him on the head with her umbrella.

她用雨伞打他的头。