Isoperm
恒磁导率坡莫合金, 恒导磁铁镍钴合金
🗣️ 情景例句
Thank you.
谢谢。
Where are you going?
你去哪儿？
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他说，“但是我没有很多朋友，我过得不很愉快。我不懂为什么！”