Barratron
非稳定波型磁控管(用以产生噪音干扰)
🗣️ 情景例句
How do you know so much about fishing?
你对钓鱼怎么知道这么多？
I went to sleep immediately and slept soundly all night.
我很快地入睡了并且整夜酣睡。
Then he gets out of the lift and climbs up to the fifteenth floor on foot.
接着他走出电梯并徒步登上第15层。