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
It helps enormously.
这个帮助很大。
Time does not bow to you,, you must bow to time.
必须抓紧时间。
With these words the tiger jumped into the river. He did not come out again.
说完这些话，老虎就跳进河里去了。他再也没有上来。