Active immunity
[化] 自动免疫性\\n[医] 自动免疫
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
immunity
[i'mju:niti]
n. 免除，豁免;免疫力;
🗣️ 情景例句
One is as old as one's heart.
心多老人多老。
Some young couples get married on that day too.
一些年轻的夫妇也在这一天结婚。
Not at the moment.There's too much ice.
眼下没有。地上冰太多了。