Prelusory
a. 序言的, 先导的, 预兆的
🗣️ 情景例句
Hello, Susan.
喂 Susan。
How often did I tell you not to say a word?
我告诉你多少次不要讲话?
Was the noise a cause of the illness, or were the complaints about noise merely a symptom?
是噪音引起了（精神）病呢，还是（精神）病的症状之一是对噪音的抱怨？