Aphthonite
[化] 银黝铜石
🗣️ 情景例句
Do you have a picture of her?
你有她的照片吗？
Why are you frustrated?
你为什么失败？
Experiments have proved that children can be instructed in swimming at a very early age.
实验证明，儿童在很小的时候就可以开始学习游泳。