tube 1 S3 W3 / tjub $ tub / 名词
1 pipe for liquid [可数名词] a round pipe made of metal, glass, rubber etc, especially for liquids or gases to go through → inner tube , test tube
2 [可数名词] a long hollow object that is usually round :
pasta tubes
a toilet roll tube
3 container [可数名词] a narrow container made of plastic or soft metal and closed at one end, that you press between your fingers in order to push out the soft substance that is inside :
a tube of toothpaste
4 in your body [可数名词] a tube-shaped part inside your body :
the bronchial tubes
5 trains the tube British English the system of trains that run under the ground in London 同义词 subway American English
take/catch the tube
Take the tube to Acton.
a tube station
by tube
It’s best to travel by tube.
6 go down the tubes informal if a situation goes down the tubes, it quickly becomes ruined or spoiled :
When Moira turned up, Tess could see all her good work going down the tubes.
7 television the tube American English spoken the television :
What’s on the tube tonight?
8 electrical equipment [可数名词] technical the part of a television that produces the picture on the screen 同义词 cathode ray tube