Want to correct gas fuel, is the key to light step light, avoid slammed on the fierce step to make the engine work under the high speed in an instant.

想节油，正确加油是关键，要轻踏轻放，切忌猛踩猛踏，使发动机在瞬间高速下工作。

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He walked with a quick light step.

他迈着轻快的步子走着。

《牛津词典》

Thomas Edison, the inventor of the light bulb believed that every failure was a step towards success.

电灯的发明者托马斯·爱迪生认为，每一次失败都是迈向成功的一步。

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At the same time he heard, or imagined he heard,a light, soft step and then another.

VOA: special.2009.10.31

So, we'll take a little bit of a step back after we introduce quantum mechanics, and talk about light as a wave, and the characteristic of waves, and then light as a particle. And one example of this is in the photoelectric effect.

等我们介绍完量子力学后,我们要回过头来讨论下光,作为一种波和它的波动性特征,以及光作为一种粒子,其中的一个粒子就是光电效应。

麻省理工公开课 - 化学原理课程节选

Repeating the address to the Tamilian boy from the shop, he set off with a slow, light step, like a fat man jogging.

NEWYORKER: The Elephant

With LED headlamps and taillights already proliferating among upscale cars these days, BMW says the laser represents the next step in car light development.

FORBES: BMW Developing Lasers for Cars

Perhaps more pleasing to Collins, though, was seeing Santana take another step forward in a light bullpen before the game.

WSJ: Mets' Niese struggles against Venezuela