Barratron
非稳定波型磁控管(用以产生噪音干扰)
🗣️ 情景例句
do you take Harry Bennett
愿意接受Harry bennett
Two quarrel and a third profits by it.
鹬蚌相争，渔翁得利。
He began his diet a week ago.
他是一星期前开始节食的。