That sign on the building means Danger.对on the building 如何进行提问提问：_英语解答

That sign on the building means Danger.对on the building 如何进行提问
提问：（）（）means "Danger"?

人气：143 ℃　时间：2020-05-21 16:35:57

解答

Where is the sign which means Danger?用一个定语从句就可以.
Which sign means Danger?