Biochar
生物炭
🗣️ 情景例句
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，请告诉工厂的高先生继续努力。
That's not a good idea!
这样不太好吧！
At this time, the man downstairs was trying to sleep.
这时楼下人正试图入睡。