Botallackite
羟氯铜矿
🗣️ 情景例句
They came and solved the problem.
他们来了并解决了问题。
He made an important contribution to the company's success.
他对公司的成功做出了重要的贡献。
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。