Testificandum
[法] 立证
🗣️ 情景例句
So, what would you like to do tonight?
你今晚想干些什么？
It really comes in handy.
有了它真是方便。
may have left an automatic messenger behind to await the possible awakening of an advanced civilization.
很可能会在离开太阳系时留下自动化信息装置，等待先进文明的觉醒。