tube
英 [tju?b]
美[tub]
- n. 管；電子管；隧道；電視機(jī)
- vt. 使成管狀；把…裝管；用管輸送
- vi. 乘地鐵；不及格
英英釋意
- 1. conduit consisting of a long hollow object (usually cylindrical) used to hold and conduct objects or liquids or gases
- 2. electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
- 3. a hollow cylindrical shape
- 4. (anatomy) any hollow cylindrical body structure
- 5. electric underground railway