Preimmunization
[医] 幼儿期免疫接种
🗣️ 情景例句
The village was filled with people--the weather was so nice.
镇上挤满了人--因为天气好的缘故。
Yes, and you may stay there longer.
对，而且你也许会在那儿住久一些。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。