Ectohumus
[地质]外腐殖质
🗣️ 情景例句
My friend's a chain smoker.
我的朋友烟瘾很重。
Have you had breakfast already?
你已经吃了早餐吗？
Their population has now increased to 435,000, and today they make up about 13% of the population.
不过现在他们的人口已增长到435，000人，如今他们已占全国人口的13%。