jack
复数形式
jacks
1
2
鲹鱼, 金枪鱼
any of several fast-swimming predacious fishes of tropical to warm temperate seas
3
千斤顶, 起重器
a mechanical device for lifting heavy objects or vehicles
A jack is a tool used to lift heavy objects, typically vehicles or large machinery, off the ground. It works by using a hydraulic or mechanical system to raise the object, allowing for tasks like changing a tire, repairing, or maintenance. The most common type is a car jack, which often has a small, compact design with a lifting arm and a handle. Jacks are available in different sizes and lifting capacities, from smaller models for cars to larger ones used in construction or industrial work. They are an essential tool for lifting heavy loads safely and efficiently.
4
杰克, J牌
a card with a rank of eleven in a standard deck of playing cards, often depicted as a male figure with a special value or power in many card games
同义词：
5
小旗, 国籍旗
small flag indicating a ship's nationality
6
弹珠, 小石子
game equipment consisting of one of several small six-pointed metal pieces that are picked up while bouncing a ball in the game of jacks
同义词：
7
插孔, 插座
an electrical device consisting of a connector socket designed for the insertion of a plug
8
小球, 目标
a small ball at which players aim in lawn bowling
10
工人, 体力劳动者
someone who works with their hands; someone engaged in manual labor
11
微不足道的数量, 毫无价值的小量
a small worthless amount