Chalcomenite
蓝硒铜矿
🗣️ 情景例句
I'll have no problem.
我不会有问题。
All are not hunters that blow the horn.
吹号角的未必都是猎人。
He did a lot of research and travelled around the USA looking for information about his ancestors.
他做了大量的研究，在美国跑了许多地方，了解有关祖先的情况。