Megaperm
镍锰铁高导磁率合金
🗣️ 情景例句
Eat your vegetables, they're good for your health.
多吃蔬菜，这对你的健康有好处。
Thank you for your help.
谢谢您的帮助。
I will seek from my doctor's advice.
我将请教医生的意见。