Fomite
污染物
🗣️ 情景例句
Sam, would you come in, please?
Sam，请进来一下， 好吗？
That's fine. Fill out this form and let me see your credit card, please.
好极了，请填一下这张表，再给我看一看你的信用卡。
Are you in Row 5?
你是在第五排吗？