at zebra crossing还是at zebra crossing,有什么区别,分别在什么时候用.

at zebra crossing还是at zebra crossing,有什么区别,分别在什么时候用. zebra crossing 还是 pedestrain crossing?两者有什么区别? zebra crossing有没有复数 We can cross the road at the zebra crossing.at the zebra cro You must not play at the zebra crossing. zebra crossing怎么读 中英互译:Zebra crossing 斑马线 ZEBRA CROSSING怎么样 zebra crossing是词组吗? zebra crossing 要不要大写 把You must cross the street at the zebra crossing.改成否定句 The policeman orded me to （ ） the road at the zebra crossing