床位的英文：
assigned bed, berth; bunk

参考例句：

This hospital has accommodation(s) for 400 patients.
这个医院有400个床位。

Are there any beds vacant?
有空床位吗?

Endow a bed in a hospital
资助医院的一个床位

A maternity ward with 30 beds.
一个有30个床位的产科病房。

berths on steamships can be booked a long while in advance
轮船上的床位可以提前多日预订。

You can save the game at any time when you're at your bunk.
任何时候你都可以在你的床位储存你的游戏。

At one time one could not get a bed in the house, the place would be chock-a-block
这地方一度挤得水泄不通，甭想找张空床位。

Certain beds seemed fatal, soldiers died in them after two days.
有些床位似乎是致命的:士兵在床上呆两天就死去。

I'll fit you up with a bed at my flat.
我可以在我的寓所里为你提供一个床位。

In New York, there were some public places where poor people like Soapy could ask for a bed and food.
在纽约有些公共地方，在那里像索皮这样的穷人还能要到床位和食物。

assigned是什么意思：
v. 分配；指派；指定；把…归于；确定；转让
n. 受让人，受托者

assignable adj.
可分配的；可直定的；可归属的

give an assignment to (a person) to a post, or assign a task to (a person).
派某人到某个职位或分派任务给某人。

make the assignment for the next day
布置第二天的作业

bed是什么意思：
n. 床，睡眠处；睡觉；（海、河、湖等的）底部；苗床
v. 把...安置在；为…提供住宿（床位）；睡，卧

Procrustean bed
逼人就范之物

Bed rest is more like bed agony.
上床睡觉好象是种苦恼。

It has bedded into the deepest crevices of the store.
它已钻进了店里最隐避的隙缝。

berth是什么意思：
n. 卧铺；泊位
v. （使）停泊；为…提供铺位；占铺位

Our tender was berthed there.
我们的供应船就停泊在那儿。

The ship shifted its berth.
船转移了停泊地。

I berthed beside him.
我睡在他旁边的铺位。