Sampleite
氯磷钠铜矿
🗣️ 情景例句
Hello, Philip.
哈喽，Philip。
The restaurant is on the second floor.
那餐厅在二楼。
It was from the study of these that so much was learnt about the interior of the earth.
正是从这两种波的研究中，我们可以了解到地球内部的许多情况。