Pfu
空斑形成单位; 疱斑形成单位
🗣️ 情景例句
What are you doing?
你在干什么？
As you travel westward,does the land get higher?
当你向西旅行，陆地变得更高？
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。