... 铬铁矿矿床 chromite deposit 根粘土 root clay 更生带 zone of rejuvenation ...
双语例句
1
And the boundary of them has the same lithologic character: the ravinement surface of river course or exposure mudstone of flooding plain and rootclay.
二者的界面是相同的，均为河道砂体底部的冲刷侵蚀面或者是暴露过泛滥平原泥岩、根土岩等。
2
Carvings on root, stone and nut, painted eggshell, modeling with clay, porcelain and wax are all exquisite, especially those of figurines with their natural beauty.