单词	tube
释义	noun | verb tubetube1 /tub/ ●●● S2 noun Etymology ETYMOLOGYtube1 Origin: 1600-1700 French Latin tubus 1PIPE FOR LIQUID [countable] a round pipe made of metal, glass, rubber, etc., especially for liquids or gases to go through:  The water leaves the machine through a plastic tube. → see also inner tube, test tube2CONTAINER FOR SOFT SUBSTANCE [countable] 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 toothpaste3CONTAINER FOR ROLLED PAPER [countable] a long narrow container shaped like a tube used for storing things like maps and pictures4something SHAPED LIKE A TUBE [countable] something that is shaped like a tube:  a toilet paper tube5IN YOUR BODY [countable] science, biology a tube-shaped part inside your body:  Fallopian tubes6TELEVISION the tube old-fashioned television7go down the tubes informal if a situation goes down the tubes, it becomes ruined or spoiled:  All our hard work went down the tubes.8have your tubes tied if a woman has her tubes tied, she has a medical operation on her fallopian tubes so that she will not be able to have babies9TRAINS the tube British the subway in London10ELECTRICAL EQUIPMENT [countable] (also picture tube) the part of an older television that causes the picture to appear[Origin: 1600–1700 French, Latin tubus] noun | verb tubetube2 verb [intransitive] Verb Table VERB TABLE tube Simple Form Present I, you, we, they tube he, she, it tubes Past I, you, he, she, it, we, they tubed Present perfect I, you, we, they have tubed he, she, it has tubed Past perfect I, you, he, she, it, we, they had tubed Future I, you, he, she, it, we, they will tube Future perfect I, you, he, she, it, we, they will have tubed Continuous Form Present I am tubing he, she, it is tubing you, we, they are tubing Past I, he, she, it was tubing you, we, they were tubing Present perfect I, you, we, they have been tubing he, she, it has been tubing Past perfect I, you, he, she, it, we, they had been tubing Future I, you, he, she, it, we, they will be tubing Future perfect I, you, he, she, it, we, they will have been tubing to float on a river on a large inner tube for fun → see also tubing
随便看	freshwater fret fretful fretfully fretfulness fretted fretwork Freudian Freudian slip Freud, Sigmund Fri. friable friar fricassee fricative friction Friday fridge fried Friedan, Betty Friedman, Milton friend friendless friendliness -friendly

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