Mononitride
一氮化物
🗣️ 情景例句
Is this in fashion?
这现在流行吗？
Do you mind my smoking?
你介意我抽烟吗？
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，