Probertite
[矿]基性硼钠钙石
🗣️ 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。
Have you invited any girls?
你邀请女孩吗？
Is that bag heavy, Penny?
那个提包重吗，彭妮？