leftover

释义：作形容词时，意思是“剩余的，吃剩的，用剩的”，形容保留下来没有使用的份额或数量。作名词时，意思是“剩余物，残羹剩菜，遗留物”，形容遗留下来的，残余的东西或习惯。

例句：
Mabel brought him leftover biscuits and a hard-boiled egg for breakfast.
Each night, volunteers would show up at a campus dining hall to pick up leftovers and deliver them to area shelters and food banks.