钥匙用英语怎么说_英文单词复数

钥匙的英语复数形式为keys。这个单词来源于古英语中的cyssan，意为“开锁”。

例句：

I lost my keys and I can't get into my house. (我把钥匙弄丢了，现在进不了我的房子)
She gave me a set of keys to the office. (她给了我一套办公室的钥匙)
He had a ring of keys on his belt. (他的腰带上有一串钥匙)