如何用一个灯泡点亮一座房子？

How to light a house with a single light bulb?

youdao

他不知道灯是被谁点亮的，也不知道灯泡在哪里。

He had no idea who kept it lit or where the light bulbs were.

youdao

他不知道灯是被谁点亮的，也不知道灯泡在哪里。

He had no idea who kept it lit or where the light bulbs were.

youdao