Letovicite
[矿]酸性铵矾
🗣️ 情景例句
You have that look in your eye.
你的眼睛里显示出你已有了答案。
What are you interested in studying?
你对攻读什么感兴趣？
She heard the front door open and heavy footsteps in the hall.
她听见前门被打开，走廊里响起重重的脚步声。