Senperm
森珀姆恒磁导率合金(硅镍铁合金)
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
It is never too late to mend.
亡羊补牢，犹为未晚。
This is not easy, and may require two porpoises working together.
这并非易事，可能需要两只海豚合伙干才行。