Pyrostilpmite
火硫锑银矿
🗣️ 情景例句
He's asleep.
他睡了。
The master always exacts quality work from his students.
老师常常要求学生们认真踏实的完成功课。
Therefore,we always put quality as the first consideration.
因而，我们总是把质量放在第一位来考虑。