Biochar
生物炭
🗣️ 情景例句
What language do they speak in Japan?
在日本他们说什么语言？
He is a promising young man.
他是个有出息的年轻人。[分词作定语]
Another man lit a cigarette but it burnt strangely and so he too put it out.
另一个工人点燃一支烟，但烟燃得怪怪的，于是他也把烟灭了。