tube /tjuːb/ star3 CET4 TEM4 (tubes)

• 1.  

  N-COUNT（可数名词） A tube is a long hollow object that is usually round, like a pipe. 管子

  例：

  He is fed by a tube that enters his nose.

  他通过一根插入鼻子的管子进食。

• 2.  

  N-COUNT（可数名词） A tube of something such as paste is a long, thin container which you squeeze in order to force the paste out. (装膏状物体的) 管子

  例：

  I went out today and bought a tube of toothpaste.

  我今天出去买了一管牙膏。

• 3.  

  N-COUNT（可数名词） Some long, thin, hollow parts in your body are referred to as tubes. (人体内的) 管状器官

  例：

  The lungs are in fact constructed of thousands of tiny tubes.

  肺其实是由数千个细小管状器官构成的。

• 4.  

  N-COUNT（可数名词） You can refer to the television as the tube. 电视机 [美国英语][非正式]

  例：

  The only baseball he saw was on the tube.

  他只在电视上看过棒球比赛。

• 5.  

  N-SING（单数型名词） The tube is the underground railway system in London. 伦敦地铁 [英国英语]