Biotitic
a. biotite（黑云母）的变形
🗣️ 情景例句
We really don't have to be overly concerned.
我们真的不需要过分担心。
Close your book,please.
请把书合上。
Even if you travel in ideal weather, sea journeys take a long time.
即使风平浪静，坐船旅行也要占用很长时间。