Salsima
硅铝硅镁层
🗣️ 情景例句
My name is Stewart... Malcolm Stewart.
我姓Stewart……Malcolm Stewart。
Call the doctor!
快打电话叫医生！
I've been working so hard recently that I haven't had any time for collecting new stamps.
最近我的学习一直很紧张，没有时间收集新邮票。