rocky bed

• 岩石河床

rocky bed的用法和样例：

例句

1. It sped along a deep green flood plain, over rocky rivers, through anonymous towns and raced Japanese cars on trackside roads.
   列车快速驶过绿色的水漫平原，岩石河床的河流和许多无名小镇，日制的汽车在铁路边的公路上和列车齐驾并驱。