Gersbyite
磷镁铝石
🗣️ 情景例句
The advanced class starts at ten o'clock.
高级健身课十点钟开始。
I bought 5 yard of ribbon.
我买了五码缎带。
And now I'm telling you I can't manage this Friday.
我正要告诉你我星期五没办法（出来）。