The extrusion of silica - rich lava, the Rooiberg felsite, occurred on a grand scale.富于 硅氧 的岩流及罗依山霏细岩的喷出作用占据了广大面积.The ore bodies are confined to Yanshanian metamorphosed rhyolite porphyry and felsite.矿体赋存在燕山期变质流纹斑岩、霏细岩中....
As the waste materials decompose, they produce methane gas.废物腐烂时会产生沼气。Most animals decompose very quickly after death.大多数动物死后很快腐烂.You can apply heat to decompose organic compounds.你可以加热来分解有机化合物....
为什么我要强装笑颜取悦我的父母？Why should I struggle on to please my parents?我从未刻意取悦别人。I've never gone out of my way to propitiate people.他一会儿欺负人一会儿取悦人。He could alternately bully and charm people....