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
We once found a cat.
我们有一次找到一只猫，
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
Autumn is a busy season. The days get shorter and the nights get longer.
秋天是繁忙的季节。白天逐渐变短，夜晚则渐渐变长。