Megaperm
镍锰铁高导磁率合金
🗣️ 情景例句
You're welcome.
不客气。
She couldn't bear the sight of the mean man.
她连看那个卑鄙的男人一眼都不愿意。
He did very badly on the exam----worse than expected almost the worst in the class.
他考的不好，比期望的还糟。几乎是全班最差的。