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.A paper bird cannot stand the strong wind, and a clay figurine cannot bear the heavy rain.纸鸟经...
My beard had started to grow, and I had unwillingly complied with the order to shave it off.我的胡子开始长出来,而我不得不服从命令把胡子刮掉。With a deprecatory grunt , the jackal again complied.豺狗表示抱歉地哼了哼, 照办了.He complied without argument.他二话不说...