Variolation
[医] 人痘接种, 天花接种, 引痘
🗣️ 情景例句
What's the difference between A and B?
A和B有什么不同？
What time should I meet you at the station?
我几点中跟你在火车站碰头呢？
Is this the man that you served, Caroline?
卡罗琳，这就是你接待过的那个人吗？