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
Nice to meet you, Harry.
我也很高兴见到你 Harry。
I can't believe it.
我不相信。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。