Level 4 · word 5,552 of 20,000
jack
/ˈdʒæk/
American

- n. 千斤顶, 插座
- v. 顶起, 提高
- Definition
- n. a device for lifting heavy objects, or an electrical socket
- v. to lift something with a jack, or to increase an amount
- Example
- He used a jack to lift the car and change the tire.
- 他用千斤顶把车顶起来换轮胎。