Harkerite
硼硅钙镁石
🗣️ 情景例句
Here are the fliers, hot off the press!
传单来了， 刚刚印出来的！
How did you sign the letter?Did you write, sincerely yours?
你怎么签名信的?你写了"真诚地你的"？
Excuse the mess, Sam.This room's very untidy.
屋子很乱，请原谅，萨姆。