Sero-immunity
[医] 血清免疫, 被动免疫
🧩 词语组成解析
[人名] 塞罗
immunity
[i'mju:niti]
n. 免除，豁免;免疫力;
🗣️ 情景例句
So that's it.
原来是这件事。
Who is a social worker for the City of Los Angeles.
她是洛杉矶市政府的社会工作者。
How many would you like?
您想买几瓶呢？