Botallackite
羟氯铜矿
🗣️ 情景例句
I think I know you. Aren't you...?
我觉得我认识你。你是……吗？
No, she isn't.
不，她不是。
Many pedal their tricycles, but most of them prefer to push or drag them.
很多孩子用脚蹬车，但多数孩子更愿意推或是拉着三轮车。