Dualumin
坚铝(铝基合金)
🗣️ 情景例句
Call me John.
叫我， John。
Are most of the lakes located in the north central region?
大多数湖位于向北中央的区域吗？
I'll tell my mother what we've decided to do.
我要告诉我妈妈我们的决定。