Chalcomenite
蓝硒铜矿
🗣️ 情景例句
Next week I'm taking my driving test.
我下星期考车牌。
Insecticides destroy many harmful bugs.
杀虫剂能驱除许多害虫。
Their sleeping bags were warm and comfortable, so they all slept soundly.
睡袋既暖和又舒服，所以，他们都睡得很香。