Biotite
n. 黑云母\\n[化] 黑云母
🗣️ 情景例句
Well, I wasn't clear about my future,
我对自己的未来当时也不清楚，
This is our common desire.
这是我们的共同愿望。
It took a very long time to carve a page for a book.
刻一页书要花费的时间太长。