Phosphorroesslerite
重磷镁石
🗣️ 情景例句
Excuse me, but may I ask how old you are?
对不起， 我能问一下你多大了吗？
I'm afraid there's some sort of misunder standing.
这恐怕有一些误会。
If we could actually see the path described by a particle,such as a sand grain in the rock,
假如我们真能看到的运动轨迹，诸如岩石中一个沙粒分子