Stepanovite
绿草酸钠矿
🗣️ 情景例句
Will you be all right?
你不会有问题吧？
I really feel bad about it. Let me buy you a new one.
我真为这件事感到遗憾。我给你买一本新的吧。
Do you offer any quantity discounts?
大量购买有折扣吗？