Biochar
生物炭
🗣️ 情景例句
Or did you forget to give it to me?
或许是你忘了给我吧？
I have to become strong.
我必须庄敬自强。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？