Premunitive
[医] 预防接种的, 传染[病后]免疫的
🗣️ 情景例句
How can I reach you?
我怎样才能联系到你呢？
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
There it is!It's in front of your!
那不是么！ 就在你眼前。