1
- a piece of solid material fitting tightly into a hole and blocking it up堵塞物：
somewhere in the pipes there is a plug of ice blocking the flow.
管子里某个位置有冰块堵住了水流。
1.1
- a circular piece of metal, rubber, or plastic used to stop the plughole of a bath or basin and keep the water in it塞子, 栓。
1.2
- N. Amer. Informal a baby's dummy〈北美, 非正式〉（婴儿的）橡皮奶头。
1.3
- a mass of solidified lava filling the neck of a volcano岩颈。
1.4
- (in gardening) a young plant or clump of grass with a small mass of soil protecting its roots, for planting out（园艺用语）（供移植的）幼苗, 草皮。
2
- a device for making an electrical connection, especially between an appliance and the mains, consisting of an insulated casing with metal pins that fit into holes in a socket插头。
2.1
- a socket into which such a device can be fitted插座。
2.2
- short for SPARK PLUG.SPARK PLUG的简称。
3
- informal a piece of publicity promoting a product, event, or establishment〈非正式〉（产品、活动或机构的）宣传, 广告：
he threw in a plug, boasting that the restaurant offered many entrées for under $5.
他插入了一个广告, 吹嘘该饭店提供许多种价格在五美元以下的主菜肴。
4
- a piece of tobacco cut from a larger cake for chewing口嚼烟草块（条）。
4.1
- mass noun（亦作plug tobacco）tobacco in large cakes designed to be cut for chewing口嚼烟草饼。
5
- Fishing a lure with one or more hooks attached【渔】鱼饵。
7
- N. Amer. informal a tired or old horse〈北美, 非正式〉疲惫的马; 老马。
(plugged, plugging)with obj.
1
- block or fill in (a hole or cavity)堵, 填（洞, 穴）：
trucks arrived loaded with gravel to plug the hole and clear the road
满载碎石的卡车到了, 这些碎石是用来填坑平路的
figurative〈喻〉 the new sanctions are meant to plug the gaps in the trade embargo.
这些新制裁旨在堵住贸易禁运中的漏洞。
1.1
- insert (something) into an opening so as to fill it插入, 塞入：
the baby plugged his thumb into his mouth.
这个婴儿把大拇指塞进了嘴里。
2
- informal mention (a product, event, or establishment) publicly in order to promote it〈非正式〉推广, 宣传（产品, 活动, 机构）：
during the show he plugged his new record.
在演出中间, 他宣传了他的新唱片。
3
- informal shoot or hit (someone or something)〈非正式〉射击, 击打。
4
- no obj., with adverbial informal proceed steadily and laboriously with a journey or task〈非正式〉艰难地走; 埋头于：
during the years of poverty, he plugged away at his writing.
在贫困的岁月里, 他埋头于写作。
派生词
plugger
noun词源
early 17th cent.: from Middle Dutch and Middle Low German plugge, of unknown ultimate origin.
短语动词
plug something in
- connect an electrical appliance to the mains by inserting a plug in a socket（将插头插入插座以）给…接通电源; 接通电源。
plug into
1
- (of an electrical appliance) be connected to another appliance by a lead inserted in a socket（电器）连接。
1.1
- gain or have access to a system of computerized information接入（电脑信息系统）：
we plug into the research facilities available at the institute.
我们接入了学院的研究设施。
1.2
- figurative become knowledgeable about and involved with〈喻〉熟悉, 非常了解：
the good thing about this job is that I'm plugged into what's going on.
这个工作的好处是我能了解正在发生些什么。