Fomite
污染物
🗣️ 情景例句
Well, how was everybody's day today?
喂 ，今天各位过得怎么样？
The stain on the dress isn't really noticeable.
那件衣服上的污渍并不很明显。
Even a child can answer this question.
即使小孩儿都能回答这个问题。