Ferractor
铁氧体磁放大器, 铁电振荡器
🗣️ 情景例句
watch the last three minutes of the game.
看完那最后三分钟的球赛。
Adversity leads to prosperity.
逆境迎向昌盛。
It can be unpleasant to live even several miles from an aerodrome;
即使住在离机场几英里以外的地方，机场的噪音也会使人难受。