Borcarite
单斜碳镁钙硼石
🗣️ 情景例句
It was a pleasure having you. Please come again.
和你在一起我们非常荣幸，请有空常来。
The ox when weariest treads surest.
牛困走得稳。
Meimei, who's that boy?
美美，那个男孩是谁？