Multipacting
次级发射倍增
🗣️ 情景例句
How do you know so much about fishing?
你对钓鱼怎么知道这么多？
Without health, life is not life, life is lifeless.
如无健康的身体，生活就不成为生活，人生也毫无生气。
What's your name?
你叫什么名字？