这种灯从生长在一个木箱里的植物中获取能量，然后用它来点亮一个 LED 灯泡。

The lamp takes energy from a plant growing in a wooden box and uses it to light up an LED light bulb.

youdao

把灯泡拧到灯口上就行。

The bulb should just screw into the socket.

《牛津词典》

如果你在某个地方买了它们，你可能会买到一个灯泡那么大的灯，但它是非常大的灯。

If you buy them out somewhere you're going to get one that's maybe the size of a light bulb, but it's a huge light.

youdao

Certainly if you buy them out somewhere you're going to get one that's maybe the size of a light bulb, but it's like the flood light in your backyard or something, it's a huge light.

当然,你在外购买时,倒是有可能买到灯泡大小的,不过是你家后院强光灯大小的灯泡,巨大的灯泡

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选