Conichalcite
砷钙铜矿
🗣️ 情景例句
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
Quality matters more than quanity.
质量比数量重要。
He lands on top of each house and climbs down the chimney into the fireplace.
他降落在每一家的房顶，顺着烟囱爬进壁炉。