公共场所的公共标志有哪些?
发布网友
发布时间：2024-10-17 19:54
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热心网友
时间：2分钟前
There are some public signs in the library. They mean different things. There is a sign on the wall. It means 'Be quiet'. We shouldn't make noise here. There is a sign over there. It means 'No littering'. We shouldn't litter here.We know a lot about public signs.
