1. 残余物,吃剩的饭菜：14. green salad 蔬菜色拉 | 15. leftover 残余物,吃剩的饭菜 | 16. once in a while 有时
2. 屑物：left-reverse-slip fault 左旋逆滑断层 | leftover 屑物 | leftward 向左面;左侧的
3. 剩货：leftmost 最左边的 | leftover 剩货 | leftward 左方的
4. 剩余的,残留的：hard-working 勤劳的 | leftover 剩余的,残留的 | low-lying 地势低的
1. 残羹剩饭；剩菜；吃剩的食物
You can refer to food that has not been eaten after a meal as leftovers .
e.g. Refrigerate any leftovers...
把剩菜放进冰箱里。
e.g. The only food I ever got was the family's leftovers.
我所得到的唯一食物就是这家人的残羹剩饭。
2. 剩余的；用剩的；吃剩的
You use leftover to describe an amount of something that remains after the rest of it has been used or eaten.
e.g. ...leftover pieces of wallpaper...
剩下的墙纸
e.g. Leftover chicken makes a wonderful salad.
剩下的鸡肉可做成一盘美味色拉。
3. 残存物；遗留物
If you say that something is a leftover from a past period of time, you mean that it has its origin there and still exists even though most other things connected to that time have disappeared.
e.g. ...a leftover from the time our planet was first formed...
我们这个星球形成之初的遗迹
e.g. He dragged a foot when he walked, a leftover from polio.
他走路时一瘸一拐的，那是小儿麻痹的后遗症。