Bermanite
板磷镁锰矿
🗣️ 情景例句
It's one of the best schools in the country, Robbie.
这是全国最好的大学之一， Robbie。
Who can best handle the problem?
谁能将那问题处理得最好？
Now, this is the chemistry lab. Have you been in this lab before?
好啦，这是化学实验室。你们以前到过这个实验室吗？