Calclacite
醋酸氯钙石
🗣️ 情景例句
I hope you won't take offense if I ask you not to smoke.
如果我请不你要吸烟，希望你不要生气。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
He encouraged Indians to start making their own cotton cloth and to refuse to buy cloth made in England.
他鼓励印度人民自己着手纺纱织布，并拒绝购买英国纺织的棉布。