1
a tube of [sth]
表示管状容器内的物品。
She bought a tube of toothpaste.
她买了一管牙膏。
管道；管子
先理解核心含义，再看它在真实句子里的用法。
管道；管子
a long hollow pipe through which liquids or gases pass
She bought a tube of toothpaste.
她买了一管牙膏。
任何中空圆柱形的东西
Anything that is hollow and cylindrical in shape.
用于容纳和输送物体、液体或气体的长管状通道
conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
一种近似圆柱形的容器,通常有压褶端和螺旋盖,用于盛装和挤出半液体物质
An approximately cylindrical container, usually with a crimped end and a screw top, used to contain and dispense semiliquid substances.
在真空玻璃或金属外壳内装有电极系统的电子器件
electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
The plumber replaced the broken tube under the sink.
水管工更换了水槽下面破损的管子。
She squeezed the last bit of toothpaste from the tube.
她从牙膏管里挤出了最后一点牙膏。
The lab technician put the blood sample into a small glass tube.
实验室技术员把血样放进了一根小玻璃管里。
表示管状容器内的物品。
She bought a tube of toothpaste.
她买了一管牙膏。
表示液体或气体通过管道。
Water flows through a tube.
水通过管子流动。
在英国，'the tube'指伦敦地铁。
I take the tube to work every day.
我每天坐地铁上班。
Not this
The water tube is broken.
Use this
The water pipe is broken.
中文中“水管”常被直译为“tube”，但英语中用于输水的刚性管道通常用“pipe”，而“tube”多指柔性软管或空心圆柱体。
Not this
I go to work by subway in London.
Use this
I go to work by tube in London.
在伦敦，地铁的通用说法是“the tube”，而“subway”多指地下人行通道或美国英语中的地铁。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
试管
The scientist carefully poured the liquid into a test tube.
科学家小心地把液体倒入试管中。
内胎
He replaced the inner tube of his bicycle tire.
他换了自行车轮胎的内胎。
一管牙膏
I need to buy a new tube of toothpaste.
我需要买一管新牙膏。
地铁站
We exited at the next tube station.
我们在下一个地铁站出站。
支气管
Smoking can damage the bronchial tubes.
吸烟会损害支气管。
失败，付之东流
If we don't get more funding, the project will go down the tubes.
如果我们得不到更多资金，这个项目就会失败。
电视（口语）
I was watching the tube when she called.
她打电话来时我正在看电视。
热狗（俚语）
Let's grab a couple of tube steaks from the cart.
我们从推车那儿买几个热狗吧。
Use tube naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象一根圆筒形的管子，发音类似“涂布”，涂上布料的管子。
register: neutral; contexts: 日常用品, 建筑工程; note: 该词作为“管”使用时语体中性，适用于多种场合。注意在英式英语中也可指地铁。
可数名词，常与of连用表示内容物。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY, WORDNET.