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 was playing with the idea of studying abroad.
她有出国留学的念头，但并非很认真。
An occasion lost cannot be redeemed.
时机失了无法挽回。
They're cats.
是一些小猫。