Epinorm
浅带标准矿物
🗣️ 情景例句
You may be offered coffee, and then you should immediately announce the reason for your visit.
他们会给你冲咖啡，然后你应该尽快说明来意。
I couldn't care less.
我不在乎。
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。