Most cars have four forward gears.

大多数汽车有四个前进挡。

youdao

Time gears never stop turning, it USES one of the most ruthless and rational way, so that each parallel life to move forward.

时间的齿轮从未停止转动，它用一种最冷酷和理智的方式，让每个生命得以平行前进。

youdao

New technology that altering temperature and low pressure carburization is put forward in allusion to low quality and high cost of gears.

针对耐磨构件，尤其是齿轮等机械构件质量低和生产成本高的现状，提出变温低压渗碳新工艺。

youdao

You've slammed through the first three forward gears, shifting at 7, 000 to 8, 000 rpm each time, and suddenly you're blowing past 100 mph.

FORBES: Vehicles Feature

With 406 pound-feet of torque and eight forward gears, the diesel chortles and snorts to 60 mph in 7.2 seconds, a couple of ticks quicker than the V6.

WSJ: 2013 Porsche Cayenne Diesel Review: Only Geeks Need Apply | Rumble Seat by Dan Neil