Ciphony
[计] 密码电话学
🗣️ 情景例句
He's quite a man.
他是个了不起的人。
Rain is falling.
外面在下雨。
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。