Conpernik
康普尼克铁镍基导磁合金
🗣️ 情景例句
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
The worst misfortunes are these that never hzppen.
最大的不幸是害怕不会发生的不幸。
He asked very politely, Excuse me, have you got any books about the moon and the stars?
“请问，你有关于月亮和星星的书吗？”