Megnetron
磁控电子管
🗣️ 情景例句
Come on in, Mrs. Cooper.
请进 Cooper太太。
Which one is more interesting?
哪一个是比较有趣的？
although what impression any other civilization would thus get from us is best left unsaid.
至于其他文明行星对我们地球会有什么印象，还是不说为好。