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
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
How many are there in your family?
在你的家庭有多少人？
I don't think this is a standard size.
我看这不是标准尺寸吧？