Treptomorphism
等化学变质作用
🗣️ 情景例句
Where did the time go?
时间溜的真快！
There is safety in numbers.
人多势众。
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。