Vacc
[医][=vaccination]接种，牛痘接种，疫苗，痘苗
🗣️ 情景例句
I don't know.
我不知道。
The leopard cannot change its spots.
江山易改，本性难移。
We need our order number on the outside of each box.
我们需要每只箱子的外观都打上订购号码。