原形是plate,意思是盘子、碟子,plates是复数形式,例如:

1、Don't touch that plate ─ it's hot!别碰那个盘子,烫手!

2、She dropped the plate and it broke into pieces.她把盘子掉在地上打碎了。

3、He piled as much food as he could onto his plate.他把食物猛往自己盘子里堆。