Nitropo
硝酸钾钠
🗣️ 情景例句
Harry's a professional camper, Mom.
Harry是露营专家，妈妈。
We are thinking of expanding into the Chinese market.
我们想把生意扩大到中国市场。
He has to take care of his sick mother.
他得照顾他生病的母亲。