Chalcolite
铜铀云母
🗣️ 情景例句
Can I help?
我能帮你吗？
We intend to place large regular orders, and would therefore like to know what quantity discounts you allow.
我方将定期大量订购，因此想知道你方给多少数量折扣。
When he was decorating his house, he had gotten the bedroom painted first.
他装修房子时，先刷了卧室。