Variolation
[医] 人痘接种, 天花接种, 引痘
🗣️ 情景例句
He was ill at ease at her birthday party.
他在她的生日宴聚会中心神不宁。
Do you fly to Dallas on Sunday?
星期日你们有班机去达拉斯吗？
Oh, I'm from Changsha, too.
我也是长沙的。