Cawk
[矿]重晶石
🔁 扩展释义
【化】 氧化钡; 重晶石; 硫酸钡矿石
🗣️ 情景例句
Susan, I understand you're in the toy business. Susan
听说 ，是在玩具业工作。
Doing is better than saying.
行胜于言。
Excuse me. Is there a post office near here?
请问，附近有邮局吗？