An upper berth.

• 上铺

An upper berth.的用法和样例：

例句

1. Yours is a lower berth, and mine is an upper one.
   你的铺位是个下铺，我是个上铺。
2. She covered the bed with an old faded grey blanket.
   她在床上铺着褪了色的灰色旧毯子。