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
Find a productive hobby, and see if you can learn something.
找一个具有意义的爱好，看你能否从中学到什么。
How long will it take me to get there?
到那儿要多长时间？
Gradually the river grows wider, the banks recede,
然后河面渐渐地变宽，两岸后撤，