I had to feel about in the dark for the light switch.

我得在黑暗中摸索寻找电灯开关。

《牛津词典》

She groped blindly for the light switch in the dark room.

她在黑暗的房间里摸索电灯开关。

《牛津词典》

She was fumbling around in the dark looking for the light switch.

她摸黑找电灯开关。

《牛津词典》

Plants naturally take in carbon dioxide they need for photosynthesis, the process of changing light energy to chemical energy.

VOA: special.2010.01.26

OK. In the length of time it takes for the light to get from that bulb to the table, this machine processes two operations.

好，在灯光从灯泡到,桌子的这段时间内，电脑已经进行了两次运算了。

麻省理工公开课 - 计算机科学及编程导论课程节选

That makes sense because we're losing energy, we're going to a level lower level, so we can give off that extra in the form of light. And we can actually write the equation for what we would expect the energy for the light to be.

这很合理，因为我们在损失能量,我们要到一个更低的能级去,我们要以光的形式给出额外的能量,我们可以写下光能量的方程。

麻省理工公开课 - 化学原理课程节选

They then removed some of the posts, creating a twisting path for the light to travel.

ECONOMIST: New-age crystals

Five minutes later, I realized I'd forgotten to charge my iPhone and fumbled for the light switch.

WSJ: Tatiana de Rosnay on Horrible Experiences in Upscale Hotels | Traveler's Tale

He entered and groped for the light switch, but the electricity to the shelter had been cut off.

NEWYORKER: Waiting