2. During the 18th and early 19th centuries many Americans were known as the great
unwashed.
在18世纪和19世纪早期,人人知道美国人是无洗澡习惯的人。
3. But bug-infested rooms and a month's worth of food-encrusted,
unwashed dishes indicate more serious problems.
但是房间虫子乱爬,一月有余的碟盘未洗,则表明了更严重的问题。