Opportunistic infection
机会感染
🧩 词语组成解析
a. 机会主义的, 投机取巧的
infection
[in'fekʃən]
n. <医>传染，感染;传染病，染毒物;影响;
🗣️ 情景例句
Genes are the very building blocks of life.
基因是生命最基本的构建者。
The dog that fetches will carry.
来道是非者，便是是非人。
Which man?
哪个人？