Rejavenation theory
[医] 返老还童学说
🧩 词语组成解析
🗣️ 情景例句
Good-bye, Dean Rafer.
再见， Rafer主任。
Open your book,please.
请把书打开。
Moondwellers will be able to fly in space at only three percent of the cost of similar journeys by their terrestrial cousins.
月球居民在太空遨游的费用仅是地球上朋友飞越同样路所需费用的3%。