Word forms: plural, 3rd person singular present tense, plural jacks, present participle jacking, past tense, past participle jacked
1N-COUNT 千斤顶;起重器 A jack is a device for lifting a heavy object off the ground, for example a car. 千斤顶;起重器
2N-COUNT (纸牌中的)J牌,杰克 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. (纸牌中的)J牌,杰克