I remember having dinner at a friends house once ,and being surprised that nobody said a word about

题目

I remember having dinner at a friends house once ,and being surprised that nobody said a word about food poisoning .at home "did you wash your hands?"was spoken atr every single meal
restaurants,dad warned ,presented many risks _from careless waiters who might drop hot coffee onto your head,to employees who didnt wash their hands
分段注发音,要汉语发音,一个单词这样帮忙列出来.

答案