1、 There are traffic lights at each crossing.
每个十字路口都有红绿灯。
2.Which is the longest sea crossing bridge in the world?
世界上最长的跨海大桥是哪一座
3、I must look for a zebra crossing.
我必须要找斑马线。
4、When passengers are a zebra crossing， traffic is held up.
行人通过斑马线时，交通就会堵塞。
