Calcia
氧化钙
🗣️ 情景例句
I'd love some cola, please.
请给我可乐。
I'm afraid not.
我想不是。
You are better now, but you mustn't get up yet. You must stay in bed for another two days.
你现在好些了，但你还不应该起床。你必须再卧床两天。