Chalcophyllite
云母铜矿
🗣️ 情景例句
but they need me at the hospital today,
但今天医院有事，
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同协议，另一方则有权终止合同。
You've done a wonderful job. Well done! Well done!
你真做得太棒了！