Melanothallite
羟氯铜矿
🗣️ 情景例句
She won the first place in a speech contest.
她在演讲比赛中获得很第一名。
I am ready to sign the agreement.
我已经准备好了签合同。
However, this freedom can easily be abused.
然而，这种自由很容易被滥用。