Variola vaccina
[医]牛痘
🧩 词语组成解析
n. 天花\\n[医] 天花, 痘疮
[医] 牛痘
🗣️ 情景例句
I hear they intend to marry.
我听说他们打算结婚。
I envy you your health.
我羡慕你健康和身体。
For them the working hours are never long enough.
对他们来说，工作时间总不会太长，