下铺

bottom quark───底夸克

bottle bank───放置回收空玻璃瓶的容器；玻璃瓶回收站

bottom bolt───底部螺栓

bottom end───底端

bottom land───[机]齿槽底面；低洼地；冲积物

bottom line───结果；概要；账本底线；关键

bottom out───降到最低点

bottom quarks───底夸克

bottle banks───玻璃瓶回收站（bottlebank的复数）

John sits quietly reading on the bottom bunk.───John静静地坐在床铺看书。

CHRIS: Oh, well. So you get the bottom bunk.───克里斯：好吧，所以你睡下铺。

She was clearly frightened, sitting hunched bottom bunk of bed which almost filled the tiny room.───她明显是受到了很大的惊吓, 弯着腰坐在床铺上.小小的一张床已经几乎占据了整个房间的空间.

So I can get a bottom bunk restriction.───那样我就可以睡在下铺了.

Second class sleepers are assembled from two facing seats to form the bottom bunk.───二等卧铺车是由两个面对面的座位改装的,改成了下铺.

Turning off the tape, he lay on the bottom bunk and crossed his arms under his head.

A pair of life jackets and survival suits were stashed beneath the bottom bunk.