A car has five gears.是什么意思？

A car has five gears.

汽车有五挡。

car

n. 汽车，车厢，轿车；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

five

num. 五，五个，与某人击掌问候（或庆祝胜利），第五；n. 五，五个，5美元钞票，[板]得五分；adj. 五的，五个的；

例句
I'm just checking up on Kim. It'll take me all of five minutes.
我只是要督促一下金，总共也就需要5分钟。

gears

n. 齿轮( gear的名词复数 )，装备，挡，（做某事的）速度；

例句
Bevel gears: gears which connect two shafts at right angles.
伞齿轮: 连接直角相交两轴的齿轮.