Sintropac
加铜铁粉; 铁铜混合粉末
🗣️ 情景例句
Well, that's just what I'm going to say.
这正是我需要说明的。
I worked at the coffee shop last night.
我昨晚在咖啡厅工作。
Because my father wanted to work in China.
因为我父亲想要在中国工作。