Premunitive
[医] 预防接种的, 传染[病后]免疫的
🗣️ 情景例句
There is a way, Malcolm.
有一个办法， Malcolm。
He that has a tongue in his head may find his way anywhere.
遇事多问，随处可行。
Refuse politely any cold drink from an unknown source.
应谢绝任何不明来源的冷饮。