1.n. 床；基础；河底， 海底

2.vt. 使睡觉；安置，嵌入；栽种

3.vi. 上床；分层

1. [[also prep N]] A bed is a piece of furniture that you lie on when you sleep. 床

例：We finally went to bed at about 4am.我们最后在凌晨四点左右上了床。

例：By the time we got back from dinner, Nona was already in bed.等我们吃完饭回来，诺娜已经上床了。

2. [N-COUNT] A bed in a garden or park is an area of ground that has been specially prepared so that plants can be grown in it. 苗床

例：...beds of strawberries and rhubarb.…草莓与大黄的苗床。

3. [N-COUNT] A bed of shellfish or plants is an area in the sea or in a lake where a particular type of shellfish or plant is found in large quantities. (某种贝类生物或植物密集的) 地带

例：The whole lake was rimmed with thick beds of reeds.整个湖边长满了厚厚的芦苇丛。

4. [N-COUNT] The sea bed or a river bed is the ground at the bottom of the sea or of a river. 海床; 河床

例：For three weeks a big operation went on to recover the wreckage from the sea bed.一项大规模行动持续3周以从海床寻找残骸。

5. [N-COUNT] A bed of rock is a layer of rock that is found within a larger area of rock. (岩) 层

例：Between the white limestone and the greyish pink limestone is a thin bed of clay.在白色石灰石与略带浅灰色的粉红色石灰石之间的是薄薄的黏土层。

6. [N-COUNT] If a recipe or a menu says that something is served on a bed of a food such as rice or vegetables, it means it is served on a layer of that food. (米饭、菜) 底

例：Heat the curry thoroughly and serve it on a bed of rice.将咖喱加热透再浇到一层米饭上。

7. [N-COUNT] On a vehicle such a truck or a pickup, the bed is the long, flat part at the back where goods are carried. (车辆的) 拖斗

例：They loaded about a ton of canned goods into the covered bed of a pickup truck.他们将约一吨重的罐装食品装到了小卡车的有篷拖斗里。

8. [PHRASE] To go to bed with someone means to have sex with them. 发生性关系

例：I went to bed with him once, just once.我有一次、仅有一次和他上过床。

9. [PHRASE] When you make the bed, you neatly arrange the sheets and covers of a bed so that it is ready to sleep in. 铺床

例：He had made the bed after breakfast.早饭后他就把床铺好了。