她正为客人们端着一托盘饮料。

She was carrying a ___tray of drinks for the guests.

我把脏盘子叠放在一个大托盘上清理走了。

I cleared the dirty plates by stacking them on a large ___tray.

服务员用银托盘把我们的早餐送到了房间。

The waiter brought our breakfast to the room on a silver ___tray.