Celestobarite
锶重晶石
🗣️ 情景例句
I'd appreciate that.
谢谢你让我使用电话。
I'm afraid you will be late.
我怕你会迟到。
Yes, speaking. Just a moment. Let me turn the music down. There, that's better.
是的，我就是。请稍等。让我把音量关小一点。你瞧，好多啦。