key和keys都是钥匙的意思,前者是一个的意思,而后者是两个钥匙以上的意思,区别可以从以下例子看出:
You only give me a key, but it seems there are at least two doors there and more keys needed. 你只给我一把钥匙,但似乎那里至少有两扇门,需要更多的钥匙。
key和keys都是钥匙的意思,前者是一个的意思,而后者是两个钥匙以上的意思,区别可以从以下例子看出:
You only give me a key, but it seems there are at least two doors there and more keys needed. 你只给我一把钥匙,但似乎那里至少有两扇门,需要更多的钥匙。