Haidingerite
[矿]砷钙石
🔁 扩展释义
【化】 砷钙石; 辉铁锑矿
🗣️ 情景例句
Haven't I seen you before?
我以前没见过你吗？
What's your nationality?I'm a naturalized American.
我是加入美国国籍的美国人，你的国籍是什么？
The children were at school, my husband was at work and the house was quiet.
孩子们在上学，我丈夫在上班，家里清静得很。