[ADJ 形容词] You use leftover to describe an amount of something that remains after the rest of it has been used or eaten. 剩余的；用剩的；吃剩的；
Use any leftover meat to make a curry.
要是有剩肉就做咖喱菜。
noun
[usually pl.] food that has not been eaten at the end of a meal 吃剩的食物；残羹剩饭