Collinite
凝胶煤素质; 无结构腐殖体
🗣️ 情景例句
I was relieved of my position.
我被撤职了。
He who makes no mistakes, makes nothing.
不犯错误，成不了事。
After working hard during the day I like to relax in the evening.
白天干了一天，晚上我要放松一下。