例句與造句

1. there are lowering and backing of the ground when it was planated . planation can be classified into many types such as peneplaination, pedimentation, cryoplanation and double leveling surfaces planation
   夷平作用大致可分為準(zhǔn)平原化夷平作用、山足夷平作用、凍融夷平作用和雙層水平面夷平作用等幾種類型。
2. It's difficult to find planatest in a sentence. 用planatest造句挺難的