This thesis expounds the causes of geological calamity and region geological calamity forewarning principle.论述了地质灾害的成因和区域地质灾害预警原理.The long - range location and forewarning is the key factor of capturing the initiative in...
She hoards her money - she never spends it.她积蓄钱,但从来不花钱.A squirrel hoards nuts for the winter.松鼠为过冬贮藏坚果.The money the miser hoards will do him no good.守财奴积财,对自己毫无好处....