过马路时，我们一定要走人行横道或过街天桥。

When we need to cross the street, we should always use the pedestrian crossings or pedestrian Bridges.

youdao

过马路时，我们一定要走人行横道或过街天桥。

When we need to cross the street, we should always use the pedestrian crossings or pedestrian Bridges.

youdao