Megaperm
镍锰铁高导磁率合金
🗣️ 情景例句
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
Modesty is the ornament of woman.
端庄可为妇女增添光彩。
I've never been there.Have you ever been there, Ken?
我从未去过。肯，你去过吗？