Biochar
生物炭
🗣️ 情景例句
He never drinks except on special occasions.
除非在特别场合，他从不喝酒。
It says a storm may come next month.
天气预报说下个月会有一场暴风雨。
Thank you very much for asking me to Ann's party on Sunday.
非常感谢你邀请我参加星期天安的聚会。