| 单词 | tube |
| 释义 | tube —tubeless, adj. —tubelike, adj. /toohb, tyoohb/, n. , v. , tubed, tubing. n. 1. a hollow, usually cylindrical body of metal, glass, rubber, or other material, used esp. for conveying or containing liquids or gases. 2. a small, collapsible, cylinder of metal or plastic sealed at one end and having a capped opening at the other from which paint, toothpaste, or some other semifluid substance may be squeezed. 3. Anat. , Zool. any hollow, cylindrical vessel or organ: the bronchial tubes. 4. Bot. a. any hollow, elongated body or part. b. the united lower portion of a gamopetalous corolla or a gamosepalous calyx. 5. See inner tube. 6. Electronics. See electron tube. 7. Informal. a. television. b. a television set. 8. See mailing tube. 9. the tubular tunnel in which an underground railroad runs. 10. the railroad itself. 11. Surfing Slang. the curled hollow formed on the underside of a cresting wave. 12. Brit. subway (def. 1). 13. Australian Slang. a can of beer. 14. Older Slang. a telescope. 15. down the tube or tubes, Informal. into a ruined, wasted, or abandoned state or condition. v.t. 16. to furnish with a tube or tubes. 17. to convey or enclose in a tube. 18. to form into the shape of a tube; make tubular. [1590-1600; < L tubus pipe] |
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