Chavesite
磷钙镁石
🗣️ 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。
Is the plane leaving?
飞机要起飞了吗？
But your team is even stronger. I knew you would beat them because you had played so well in the league.
可是你们的队更强。我知道你们会打败他们的，因为你们在联赛中战绩很好。