Sintropac
加铜铁粉; 铁铜混合粉末
🗣️ 情景例句
Three cheers for Ms Li.
给李小姐三声欢呼！
A cheerful wife is the joy of life.
快乐的妻子是生活的乐事。
OK. And we'd better ask Mom whether it's cheap enough!
好的。我们最好是问问妈妈价钱是否便宜！