Encyclopaedias
(encyclopaedia 的复数) n. 百科全书
🗣️ 情景例句
What's the long buildings?
那座长形的建筑是什么？
I have received a letter from my cousin.
我收到了我表兄的信。
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。