Coercivemeter
矫顽磁性测量仪
🗣️ 情景例句
Biology and mathematics.
生物学和数学。
I hope my visit does not cause you too much trouble.
我希望这次来参观没有给你们增添太多的麻烦。
Usually mothers cook more delicious food than fathers do.
通常，妈妈做的饭比爸爸做的好吃。