upshift是什么意思

v.(将)(汽车)调高速挡,(使)加速

1. He quickly upshifted to a higher gear to gain more speed on the highway.

他迅速升挡以在高速公路上获得更高的速度。

2. It's important to upshift at the right time to optimize fuel efficiency.

在正确的时机升挡以优化燃油效率是很重要的。

升挡