Causal agent
un. 致病因子；致病病原\\n
🧩 词语组成解析
causal
['kɔ:zəl]
adj. 具有因果关系的，构成原因的;
🗣️ 情景例句
Well, I had a really nice time.
嗯 我玩得很开心。
The two contestants are neck and neck with 20 points each.
比赛双方各得20分，打成平局。
No matter how much you want to bathe, it just isn't safe.
不管你多想在这里游泳（都不要游），这里不安全。