基本解释古沉积面同根派生 英汉例句The Carboniferous bauxite deposits in the western Henan Province occur on the planation paleosurface and was deposited in epicontinental seas or lakes of the North China Block. 豫西石炭系铝土矿形成于华北古夷平面上,沉积于华北陆表海-湖泊环境中。