我在留言板上贴出了一个问题。

I posted a question on the message board.

《牛津词典》

新设计的巨型砾石电池可以解决风力涡轮机和太阳能电池板的开关问题。

Newly designed giant gravel batteries could be the solution to the on-off nature of wind turbines and solar panels.

youdao

常见的太阳能电池板的问题是什么？

What is one of the problems of common solar panels?

youdao

We use the whiteboards alongside one of the walls, where you just write down your name if you have a question.

用其中一面墙壁旁边的白色书写板，如果有问题，你只要在那里写下你的名字。

哈佛公开课 - 计算机科学课程节选