Triductor
三次倍频器, 磁心极化频率三倍器
🗣️ 情景例句
My wife, Marilyn Stewart, is a member of your program.
我太太Marily Stewart是你的学生。
No problem.
没问题。
Well, we listened to lectures about pollution, agriculture, nuclear waste, radiation and so on.
噢，我们听取有关污染、农业、核废料、辐射等讲座。