Xanthoxenite
黄磷铁钙矿
🗣️ 情景例句
We could call it Deep Sleep Country Air.
我们可以称它为"沉睡的乡村空气"。
In college I majored in economics, What was you major?
大学时我主修经济，你主修什么呢？
Is the population of the world still growing?
世界人口仍然在增长吗？