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
To watch his woods fill up with snow.
注视他落满雪花的林子。
A barking dog is better than a sleeping lion.
吠犬胜于睡狮。
We'll see his boat and then we'll say goodbye to him.
我们将参观他的船，然后和他告别。