Ectohumus
[地质]外腐殖质
🗣️ 情景例句
My brother is a junk food addict.
我兄弟就爱吃垃圾食品。
I'm two years younger than my sister.
我比我姐小两岁。
carrying with him in his pocket what remained of a bottle of medicine formerly prescribed for an indisposition of Mrs.Carlyle's.
衣袋里装上了一瓶他妻子不舒服时吃剩下的药。