Variolization
[医] 人痘接种, 天花接种, 引痘
🗣️ 情景例句
Miss Pappas?
Pappas小姐
He who imagines that he has knowledge enough has none.
自以为学识丰富的人是没有什么学问的人。
Can his machine fly?
他的机器能飞吗？