Immunizations
(immunization 的复数) n. 免疫\\n[医] 免疫法
🗣️ 情景例句
How much time will it take for my mail to get to where it is going?
我的信件到达它要去的地方要用多少时间？
My book has a dark blue cover.
我的书有一个深蓝色的封面。
A lot of things can change over twenty-one years.
21年了，许多东西都可能改变的。