Megaperm
镍锰铁高导磁率合金
🗣️ 情景例句
Wait! Don't hang up!
等等， 别挂断电话！
I read 8 lines.
我读了八行字。
That'll be very intersting. What cities are you going to visit?
那一定很有趣。你们打算参观哪些城市？