| 单词 | tube |
| 释义 | tube n. & v. --n 1. a long hollow rigid or flexible cylinder, esp. for holding or carrying air, liquids, etc. 2. a soft metal or plastic cylinder sealed at one end and having a screw cap at the other, for holding a semi-liquid substance ready for use (a tube of toothpaste). 3. Anat. & Zool. a hollow cylindrical organ in the body (bronchial tubes; Fallopian tubes). 4. (often prec. by the) colloq. the London underground railway system (went by tube). 5. a a cathode-ray tube esp. in a television set. b (prec. by the) esp. US colloq. television. 6. US a thermionic valve. 7. = inner tube. 8. the cylindrical body of a wind instrument. 9. Austral. sl. a can of beer. --vtr. 1. equip with tubes. 2. enclose in a tube. Derivatives tubeless adj. (esp. in sense 7 of n.). tubelike adj. Etymology: F tube or L tubus |
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