钥匙环

tā cóng yào shi huán jiě xia yào shi jiāo gěi wǒ

她从钥匙环解下钥匙交给我。

She detached the key from the ring and gave it to me.

nǐ kě yǐ sòng tā yī gè yào shi huán

你可以送他一个钥匙环。

You can give him a key ring.