Beldongrite
杂硅铁锰矿
🗣️ 情景例句
One of the critics is coming over this morning for a preview.
一位评论家今天早上要来看预展。
What are you drawing?
你正在画什么？
the other the lack of freedom of the individual research worker.
二是研究人员缺乏个人自由。