科技大爆炸

1 英语原意

千斤顶：Jack

2 英文解释

jack noun (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，千斤顶

例句：

• You need a car jack in order to change a tyre.
• 给汽车换轮子得用千斤顶。