Variolization
[医] 人痘接种, 天花接种, 引痘
🗣️ 情景例句
How's Ellen?
Ellen，怎么样？
There is no friend so faithful as a good book.
最忠实的朋友莫过于一本好书。
It seems to me that be would like to go back home.
我觉得他好象想要回家。