Rhoetzite
蓝晶石
🗣️ 情景例句
In friendship, always. Alexandra.
友情永不渝。Alexandra。"
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
It is used by travellers and business people all over the world.
在世界各地的旅行者及商人都用英语。