及物动词
名词
1. 管子;管;管状物
A tube is a long hollow object that is usually round, like a pipe.
2. (内盛膏状物等的)管状容器
A tube of something such as paste is a long, thin container which you squeeze in order to force the paste out.
3. 管状器官;管;道
Some long, thin, hollow parts in your body are referred to as tubes .
4. (伦敦的)地铁
The tube is the underground railway system in London.
5. 电视机
You can refer to the television as the tube .
1. an electric railway operating below the surface of the ground (usually in a city)
e.g. in Paris the subway system is called the `metro' and in London it is called the `tube' or the `underground'
Synonym: metroundergroundsubway systemsubway
2. conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
Synonym: tubing
3. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
Synonym: vacuum tubethermionic vacuum tubethermionic tubeelectron tubethermionic valve
4. (anatomy) any hollow cylindrical body structure
Synonym: tube-shaped structure
5. a hollow cylindrical shape
Synonym: pipe