| 词汇 | jack |
| 释义 | jack noun uk /dʒæk/ us /dʒæk/ jacknoun (EQUIPMENT)[ C ] a piece of equipment that can be opened slowly under a heavy object such as a car in order to raise it off the ground: 起重器，千斤顶 You need a car jack in order to change a tyre.给汽车换轮子得用千斤顶。 DonNichols/iStock/Getty Images Plus/GettyImages Machines - general words 3-D printer animatronic applicator automated automation backhoe chuck convenience Heath Robinson humanoid immobilizer machinery roller snow thrower stacker stump grinder supersensitivity synchrotron valve workhorse jacknoun (CARD)[ C ](alsoknave) a playing card with a picture of a man on it. It has a lower value than the cards showing a king or queen: （纸牌中的）J牌，杰克 the jack of clubs梅花杰克 eldadcarin/iStock/Getty Images Plus/GettyImages Card games all in bidding blackjack bridge busted flush canasta card sharp deal deuce diamond pool queen re-raise rebid recut rookie card solitaire spade stick straight jacknoun (BALL)[ C ] a small ball towards which other balls are rolled or thrown in the games of bowls or boules（草地滚木球戏或法国式滚球戏中的）靶子球 Tobiesmom/E+/GettyImages Bowls, bowling & croquet alley bias bisque bocce boule bowl bowling alley bowling green counter croquet crown green bowls duckpin duckpin bowling mallet pin pinsetter skip strike tenpin tenpin bowling jacknoun (STAR-SHAPED OBJECT)[ Cusually plural ] a small star-shaped object used in the game of jacks, in which you throw a ball into the air and try to pick up as many as possible of these objects with the same hand before catching the ball again Joe_Potato/iStock/Getty Images Plus/GettyImages Toys & dolls balloon beach ball bucket and spade chew toy cuddly toy doll's house dolly fidget fidget spinner finger puppet marionette pinwheel puppetry rag doll Russian doll slap bracelet slime snow globe Soft Stuff stuffed animal jacknoun (GAME)jacks [ U ] a children's game in which you throw a ball into the air and try to pick up as many small star-shaped objects as possible with the same hand before catching the ball again: The girls were playing jacks on the front steps. jacknoun (ELECTRICAL)[ C ] a connection between two pieces of electrical equipment（电）插座，插口，塞孔 Electrical switches & connections clicker coaxial corded dimmer dimmer switch junction box national grid outlet override patch patch someone through pause plug plug (something) in/plug (something) into something plug-in powerbank spark plug switchboard terminal wire jacknoun (NOTHING)[ U ]slang(also offensiveslangjack shit, uk /ˌdʒæk ˈʃɪt/ us /ˌdʒæk ˈʃɪt/) nothing: 没有什么;无（同 nothing） I know jack about fashion, but I know what I like to wear. There's jack shit to do here. jack | American Dictionaryjack noun[ C ] us/dʒæk/ jacknoun[C] (DEVICE)a device used to raise and hold something heavy off the ground, esp. one for raising a vehicle so that a tire can be changed jacknoun[C] (CARD)a playing card that has a picture of a man on it and has a lower value than the cards showing a king or queen: the jack of diamonds jacknoun[C] (ELECTRICITY)a hole into which a wire connected to a piece of electrical equipment can be plugged so that the equipment can operate: a microphone jack |
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