Reversing tube
[计] 反向管
🧩 词语组成解析
a. 回动的\\n[化] 换向
🗣️ 情景例句
Oh, that's a nice idea.
噢，这想法不错。
The whole thing was held up about half an hour.
整个事情耽搁了约半小时。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号，