柯林斯詞典jack /d??k/ (jacks) 1. N-COUNT A jack is a device for lifting a heavy object, such as a car, off the ground. 千斤頂2. V to lift or push (an object) with a jack 用千斤頂去頂3. N-COUNT A jack is a playing card whose value is between a ten and a queen. A jack is usually represented by a picture of a young man. (紙牌中的) J ...the jack of spades. …黑桃J。4. N-COUNT a man or fellow 人5. N-COUNT a female socket with two or more terminals designed to receive a male plug (jack plug) that either makes or breaks the circuit or circuits 插座[electrical engineering] 6. N-COUNT a short sleeveless coat of armour of the Middle Ages, consisting usually of a canvas base with metal plates 一種中世紀(jì)的無袖鎧甲7. N jackfruit或jakfruit的縮寫→short for jackfruit 8. ADJ tired or fed up with (something) 對(duì)(事物)厭倦的[AUSTRALIAN] [slang] 返回 jack劍橋詞典 jack noun [C] (EQUIPMENT) 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，千斤頂 You need a car jack in order to change a tyre . 給汽車換輪子得用千斤頂。 jack noun [C] (CARD) (also knave) a playing card with a picture of a man on it. It has a lower value than the cards showing a king or queen （紙牌中的）J牌，杰克 the jack of clubs 梅花杰克 jack noun [C] (BALL) a small ball towards which other balls are rolled or thrown in the games of bowls or boules （草地滾木球戲或法國(guó)式滾球戲中的）靶子球 jack noun [C] (ELECTRICAL) a connection between two pieces of electrical equipment （電）插座，插口，塞孔 返回 jack