Chalcophyllite
云母铜矿
🗣️ 情景例句
I heard you cheated on your exams.
我听说你考试作弊了。
She changed into old clothes for the sake of comfort.
为了舒适，她换上了旧衣服。
Usually mothers cook more delicious food than fathers do.
通常，妈妈做的饭比爸爸做的好吃。