Community immunity
[医] 群体免疫
🧩 词语组成解析
immunity
[i'mju:niti]
n. 免除，豁免;免疫力;
🗣️ 情景例句
My brother Robbie ...
我弟弟Robbie……
You'd better wear a light jacket.It's chilly today.
你今天最好穿一件浅色的夹克衫。 今天很冷。
namely 6 million million miles.) Radio waves also travel at the speed of light,
即6万亿英里）。无线电波也是以光速传播的。