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
Susan, would you like the crab salad?
Susan，要不要蟹肉沙拉？
I don't know him well.
我跟他不熟。
Her first impulse was to go round all the rooms looking for the thieves,
她第一个条件反射是各个房间搜寻一下窃贼，