Protocalcite
原方解石
🗣️ 情景例句
The climate here is always hot, summer and winter alike.
这里的气候总是那么热，夏季与冬季都一样。
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。