Silcurdur
耐蚀硅铜合金
🗣️ 情景例句
Did you finish the ...?
你完成了……吗？
He apologized for having offended her visitors.
他因为冒犯她的客人而向她道歉。
Yes.He must remain in bed for another two days.
是的，他还必须卧床两天。