小孩的英文怎么说钥匙

"钥匙" 的英文是 "key"。来源是古英语"cæg"。

例句：

Can you please pass me the key? (请把钥匙给我好吗？)
I lost my key. (我把钥匙丢了)
The key to success is hard work. (成功的关键在于努力工作)