Adu
[计] 自动数据装置
🗣️ 情景例句
Any trouble with them?
有什么问题？
In doing we learn.
经一事，长一智。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。