Smallpox vaccination
[医] 抗天花接种, 种痘
🧩 词语组成解析
smallpox
['smɔ:lpɔks]
n. 天花;痘疮;痘;
vaccination
[ˌvæksi'neiʃən]
n. <医>种痘，接种;牛痘疤;
🗣️ 情景例句
She is at the top of her class.
她在班里名列前茅。
In prosperity think of adversity.
居安思危。
I'm sorry, these 2 books are 3 days overdue.
小姐，对不起，这两本书已经过期3天了。