Collinite
凝胶煤素质; 无结构腐殖体
🗣️ 情景例句
You really don't look your age.
你看起来比你的年龄要年轻。
She dresses very well.
她很会穿衣服。
If you don't work, you will fail to pass the exam.
如果你不学习，你考试就会不及格。