Immunizations
(immunization 的复数) n. 免疫\\n[医] 免疫法
🗣️ 情景例句
It's important
这是很重要的
Hope is but the dream of those that wake.
希望是清醒者的梦想。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。