Ferropyr
费罗派尔铁铬铝电阻丝合金
🗣️ 情景例句
There is still a week to go before the vacation begins.
现在距离假期还有一星期。
Would you mind mailing this letter for me?
你介意寄我的这封信吗？
It is better to ask for help at the beginning rather than to wait until a busy period when everyone is rushed off their feet.
最好在开始工作时就请人帮忙，而不是等到大学都忙得不可开交的时候。