Biotite
n. 黑云母\\n[化] 黑云母
🗣️ 情景例句
That would be find.
那好。
When is the most convenient time for you?
你在什么时间最方便呢？
He led me into his room and hurriedly hid a large parcel under his desk.
他把我领进屋，慌忙把一个大包藏到了桌子下面。