1
plug sth (up) with sth
up 可有可无；表示用某物封住孔洞或缝隙。
She plugged the leak (up) with a rag.
她用抹布堵住了漏洞。
堵塞；堵住
先理解核心含义，再看它在真实句子里的用法。
堵塞；堵住
to stop or fill a hole or gap with something
She plugged the leak (up) with a rag.
她用抹布堵住了漏洞。
用塞子堵住；堵住孔洞使其密封。
To stop with a plug; to make tight by stopping a hole.
推广(某物,尤指产品或服务)；提及(某物)以宣传或做广告。
To promote (something, especially a product or service); to mention (something) as if promoting or advertising it.
plug
Base
原形
plugs
3rd person
第三人称单数
plugging
-ing
现在分词
plugged
Past
过去式
plugged
Past participle
过去分词
He plugs in the charger every night.
他每晚插上充电器。
She plugged the hole with a cork.
她用软木塞堵住了洞。
I have already plugged the device into the socket.
我已经把设备插进插座了。
规则动词，过去式与过去分词均为plugged。
She plugged the kettle into the socket.
她把水壶的插头插进了插座。
We need to plug the hole in the wall.
我们需要堵上墙上的洞。
Don't forget to plug in the printer.
别忘了把打印机的电源插上。
up 可有可无；表示用某物封住孔洞或缝隙。
She plugged the leak (up) with a rag.
她用抹布堵住了漏洞。
常用于口语，指在节目、采访等场合顺便提出来以推广。
He plugged his new album on the radio.
他在广播里宣传他的新专辑。
Not this
The actor plugged for his new movie on the talk show.
Use this
The actor plugged his new movie on the talk show.
plug 表示“宣传”时是及物动词，后面直接接被宣传的对象，不能按中文“为……宣传”加介词 for。
Not this
The leak was plugged by a towel.
Use this
The leak was plugged with a towel.
被动句中 by 引出施动者，而 a towel 是堵漏用的工具/材料，应该用 with；这里把中文的“被”直译成 by 是常见错误。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
堵住洞；塞住孔洞
He used some cement to plug the hole in the wall.
他用了一些水泥堵住墙上的洞。
堵住漏洞
The plumber was called to plug a leak in the pipe.
水管工被叫来堵住管道上的漏洞。
塞住耳朵
She plugged her ears to block out the noise.
她塞住耳朵以隔绝噪音。
宣传产品
The host used the interview to plug his latest product.
主持人利用采访宣传他的最新产品。
宣传电影
The actors appeared on talk shows to plug their new movie.
演员们上脱口秀节目宣传他们的新电影。
宣传自己的书
She wrote the article mainly to plug her new book.
她写这篇文章主要是为了宣传她的新书。
坚持不懈地努力；埋头苦干
She plugged away at the problem until she found a solution.
她坚持不懈地钻研这个问题，直到找到解决办法。
融入；接通；了解（最新信息）
The app helps travelers plug into local culture.
这款应用帮助旅行者融入当地文化。
填补空缺；弥补不足
The new teacher was hired to plug the gap in the science department.
学校聘请了新老师来填补理科教师空缺。
Use plug naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记plug：既是用塞子‘堵住’洞口，也是把广告‘塞进’聊天里变相宣传。想象一只大手拿着塞子，一按一推，两件事都成了。
语域：mixed 常见场景：sealing a hole or container、casually promoting a product or service 作“堵住”解时通常为中性，正式或口语均可；作“宣传、推广”解时多用于非正式场合，常见于访谈或社交媒体等语境。
常用搭配：plug sth. in/into sth.，宾语为孔、插座或电器
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.