Beaverite
铜铅铁矾
🗣️ 情景例句
What are you doing?
你在干什么？
One good mother is worth a hundred schoolmasters.
一个好的母亲顶得上一百个教师。
Hi, Kate.Next Sunday is my birthday. Can you come to my birthday party?
你好，凯特。星期天是我的生日。你能来参加我的生日聚会吗？