Gorceixite
磷钡铝矿
🗣️ 情景例句
When you understand the cultural background, you can better use the language.
当你了解了文化背景，你就能更好地运用语言。
Not use hiding your heads in the sand, folks.
各位，逃避现实是没有用的。
I am afraid that l have to go.
我要走了。