On the condition of thermal contact metamorphism, clay minerals in coal are changed into andalusite.无烟煤中红柱石是煤中粘土质矿物经热接触变质作用形成的.The process of alternating solid rock masses is called metamorphism.固体岩体变换的过程即所谓变质作用.Dynamica...
The process of alternating solid rock masses is called metamorphism.固体岩体变换的过程即所谓变质作用.Danba area has undergone multiperiod deformation, metamorphism and magmatism since Mesozoic time.丹巴地区自中生代以来经历了多期的变形 、 变质和岩浆作用.The metal...
他们望着夕阳没入远处的山谷。They watched the sun set behind the distant dales.在仅剩的几个水坑里，河马根本无法没入水中。Hippos are unable to submerge in the few remaining water holes.群山渐渐没入天际.Hills melt into the sky....
This factory was started around 1980 by housewives.这家工厂是在1980年由一些家庭妇女搞起来的.Pork braised with dried vegetable is originally a homemade dish cooked by rural housewives.干菜焖肉原是当地农村妇女烹制的家常菜。Salesmen found that soft sell works ...