Variolization
[医] 人痘接种, 天花接种, 引痘
🗣️ 情景例句
Grandpa! Grandpa!
爷爷！ 爷爷！
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
We should be able to get that off to you right away.
这样的话，我们马上就可以出货