Biotite
n. 黑云母\\n[化] 黑云母
🗣️ 情景例句
I believe stamp collecting is an interesting hobby.
我认为收集邮票是一种有趣的爱好。
Theings present are judged by things past.
欲断今日事，须知往日情。
Yes, I am.
是的，我是。