舟曲泥石流英语作文（一）_750字
关于舟曲的作文

        泥石流形成及爆发方式 　　Mountain area is place where mud-rock[泥岩] flow is coexisting with humankind.mud-rock flow acts on mountain environment and strongly affects economic activities while human economic activities act on environment as well and intensely affect mud-rock flow.Frequent rainstorms can easily cause violent floods and mud-rock flow in mountainous areas. mud-    （共 913 字）     [阅读本文] >>