名詞 plug:

1. blockage consisting of an object designed to fill a hole tightly
   同義詞：stopper, stopple
2. a wad of something chewable as tobacco
   同義詞：chew, chaw, cud, quid, wad
3. blatant or sensational promotion
   同義詞：ballyhoo, hoopla, hype
4. electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
   同義詞：spark plug, sparking plug
5. an electrical device with two or three pins that is inserted in a socket to make an electrical connection
   同義詞：male plug
6. an upright hydrant for drawing water to use in fighting a fire
   同義詞：fireplug, fire hydrant
7. an old or over-worked horse
   同義詞：hack, jade, nag

動詞 plug:

1. fill or close tightly with or as if with a plug
   同義詞：stop up, secure
2. persist in working hard
   同義詞：plug away
3. deliver a quick blow to
   同義詞：punch
4. make a plug for; praise the qualities or in order to sell or promote

1. Plug in the radio, please.
   請把收音機(jī)的插頭插上。
2. She pulled the plug out of the bathtub and the dirty water ran away.
   她把浴缸的塞子拔掉，臟水流走了。
3. You can plug into the national computer network.
   你可以接通全國計算機(jī)網(wǎng)絡(luò)。
4. The TV compere gave her new record a plug.
   電視節(jié)目主持人極力推薦她的新唱片。

plug

n.（名詞）
An object, such as a cork or a wad of cloth, used to fill a hole tightly; a stopper.
塞子；栓子：用來填緊洞孔的物體，如軟木塞或一團(tuán)布；塞子
A dense mass of material that obstructs a passage.
堵塞物：堵住通道的一團(tuán)稠密的物質(zhì)
A usually cylindrical or conic piece cut from something larger, often as a sample.
圓柱狀的樣本：從較大的物品上切下的通常為圓柱狀或圓錐狀的小塊，常用作樣品
Electricity
【電學(xué)】
A fitting, commonly with two metal prongs for insertion in a fixed socket, used to connect an appliance to a power supply.
插頭：一種接頭配件，一般有為插入一固定的插座而設(shè)計的兩根金屬棒，用來聯(lián)結(jié)電器和電力供應(yīng)系統(tǒng)
A spark plug.
火花塞
A hydrant.
消防栓

A flat cake of pressed or twisted tobacco.
（壓成塊狀的）煙草：壓成或絞成的扁平的塊狀煙草
A piece of chewing tobacco.
一塊口嚼煙草
Geology A mass of igneous rock filling the vent of a volcano.
【地質(zhì)學(xué)】 巖頸：填滿一座火山的一塊火成巖
Informal A favorable public mention of a commercial product, business, or performance, especially when broadcast.
【非正式用語】 商業(yè)廣告：一種商業(yè)產(chǎn)品、一個企業(yè)或一場表演的公開的有利稱贊，尤其是在廣播時
Slang Something inferior, useless, or defective, especially an old, worn-out horse.
【俚語】 廢物，蹩腳貨：劣質(zhì)的、無用的或有缺陷的事物，尤指一匹羸弱的老馬
Slang A gunshot or bullet:
【俚語】 槍擊，子彈：
例句：
a plug in the back.
背后挨了一槍

Sports A lure to which hooks are attached, used especially in angling.
【體育運(yùn)動】 魚餌：系于魚鉤的誘餌，尤用于垂釣
v.（動詞）
plugged,plug.ging,plugs
v.tr.（及物動詞）
To fill (a hole) tightly with or as if with a plug; stop up.
用塞塞緊，栓緊：用或仿佛是用一個塞子來填緊（一個孔洞）；堵上
To insert (something) as a plug:
將…作為一個塞子插進(jìn)去：
例句：
plugged a cork in the bottle.
用軟木塞塞住瓶子

Slang
【俚語】
To hit with a bullet; shoot.
槍擊；射中
To hit with the fist; punch.
拳打；毆擊
Informal To publicize (a product, for example) favorably, as by mentioning on a broadcast:
【非正式用語】 打廣告，作宣傳：褒揚(yáng)性地宣傳（如一種產(chǎn)品），如通過廣播提及：
例句：
authors who plug their latest books on TV talk shows.
在電視談話節(jié)目中為他的新書宣傳的作者

v.intr.（不及物動詞）
To become stopped up or obstructed:
堵住，堵塞：
例句：
alveoli that plug up with phlegm.
被痰堵住的肺泡

Informal To work doggedly and persistently:
【非正式用語】 埋頭苦干：堅定不移和堅持不懈地工作：
例句：
.You may plug along fifty years before you get anywhere.(Saul Bellow)
.你可能得埋頭苦干五十年才會出人頭地.(索爾·貝洛)

<常用詞組>plug in
To connect (an appliance) to an electrical outlet.
插入電源：將（電器）聯(lián)在一個電源插座上
To function by being connected to an electrical outlet:
接通電源：通過連結(jié)電源插座上工作產(chǎn)生功能：
例句：
a power drill that plugs in.
插上電源的電鉆

plug into
To connect or be connected to in the manner of an electrical appliance:
以電器的方式聯(lián)結(jié)或被聯(lián)結(jié)：
例句：
The local system is plugged into the national telephone network. This computer plugs into a data bank.
這個地區(qū)性電話系統(tǒng)已與全國的電話網(wǎng)連接。這臺計算機(jī)與資料庫連線

Slang To cause to be closely attuned or responsive to:
【俚語】 使與…緊密協(xié)調(diào)，使與…產(chǎn)生共鳴：
例句：
connoisseurs who are plugged into the current art scene.
與當(dāng)前的藝術(shù)景觀產(chǎn)生共鳴的鑒賞家

來源：
Dutch
荷蘭語
from Middle Dutch plugge
源自 中古荷蘭語 plugge

【引伸】
plug.ger
n.（名詞）