Ceti
abbr. communications with extraterrestrial intelligence 宇宙智能通信
🗣️ 情景例句
I can see that you've done this before.
我发觉你曾干过此事。
Did you go to the party yesterday?
你昨天去参加聚会了吗？
Yesterday morning she came into class as usual.
昨天早上，她像往常那样走进教室。