n.[C]

1. 塞子，栓；堵塞物
   She pulled the plug to let out the water.

   她拔起塞子放水。

2. 插头，插塞
   Just put the plug in the socket and switch on the machine.

   只需将插头插入插座并开动机器就行了。

3. （内燃机的）火花塞，点火栓
4. 消防栓
5. 口嚼香烟
6. 【口】（广播或电视的）插播广告；推荐，捧场
   put in a plug for a new product

   为一种新产品插播广告

7. 【美】【口】有疵商品；滞销货
8. 【俚】（用拳的）一击；一枪；一颗子弹

vt.

1. 把……塞住，堵塞[（+up）]
   He plugged his ears with cotton balls.

   他用棉球塞住双耳。

2. 【俚】枪击；拳打
3. （在广播或电视中）一再宣传；大打广告
   People are always plugging their books on TV talk shows.

   人们总是在电视访谈节目中一再推荐自己所写的书。

   He's been plugging his new song on the radio.

   他一直在收音机上为他的新歌大打广告。

4. 给……接通电源[（+in）]

vi.

1. 苦干，苦读[（+along/away）]
   She plugged away at her math.

   她埋头攻读数学。

2. 接通电源；连接[（+in）]
   You can plug into the international computer network.

   你可以连接上国际电脑网络。

3. 【俚】枪击；打[（+at）]

n.

1. a piece of solid material fitting tightly into a hole and blocking it up.
   ▸a mass of solidified lava filling the neck of a volcano.
2. a device consisting of an insulated casing with metal pins that fit into holes in a socket to make an electrical connection.
   ▸informal an electrical socket.
3. informal a piece of publicity promoting a product or event.
4. a piece of tobacco cut from a larger cake for chewing.
   ▸ (also plug tobacco) tobacco in large cakes designed to be cut for chewing.
5. Fishing  a lure with one or more hooks attached.
6. N. Amer. informal a tired or old horse.
7. N. Amer. informal a baby's dummy.

v.

1. block or fill in (a hole or cavity).
2. (plug something in) connect an electrical appliance to the mains by means of a socket.
   ▸ (plug into) have or gain access to (an information system or area of activity).
3. informal promote (a product or event) by mentioning it publicly.
4. N. Amer. informal shoot or hit.
5. (usu. plug away) informal proceed steadily and laboriously with a task.