Barratron
非稳定波型磁控管(用以产生噪音干扰)
🗣️ 情景例句
I'm starving, aren't you?
我饿了，你呢？
Close your book,please.
请把书合上。
Though the new rudder was fitted at tremendous speed, it was impossible for the Cutty Sark to win.
尽管换装新舵时分秒必争，但“卡蒂萨克”号已经不可能取胜了，