Leightonite
[矿]钾钙铜矾
🗣️ 情景例句
If you'd like to hear some new English songs, I suggest you download them from the web.
如果你想听一些新的英文歌，我建议你上网下载。
So let us all welcome him to the podium.
让我们欢迎琼斯先生上台演讲。
Thank you very much. It was nice to meet you.
非常感谢。见到你真高兴。