Ferromagnon
铁磁振子, 铁磁自旋波
🗣️ 情景例句
I thought that was Nat Baker who rang the front doorbell.
我还以为是Nat Baker 按大门门铃呢。
They say everything.
他们什么事都说。
Brevity is the soul of wit.
简洁是智慧的精华。