return tray

At East China University of Science and Technology, students who finish their food in the campus canteen get a coupon when they return their tray.

在华东理工大学，在校内食堂就餐的学生，只要能吃光食物，在送回餐盘时就能获得一张优惠劵。

The first, at shin height, is for the trays on which the runners take the food up the two flights of 10 stairs each to the restaurant and to which they must return every empty tray.

第一个大约及膝高的架子是放置盘碟，从厨房到餐馆有一个10级的楼梯，每个跑堂负责两级台阶，依次将食物递上去，回头再把每个空盘碟放回去。

You can return your mouse to normal at anytime by clicking on tray icon.

该软件还可以禁止鼠标滚轮的功能.

The documents fed into the fax machine were scannedcame out in the return tray.

文件放入传真机会被扫描送出到文件回收匣.