rich--riches财富；
torch--torches手电；
watch--watches手表。
例句：
A number of Britain's beaches fail to meet European standards on cleanliness.
英国有几处海滩不符合欧洲的清洁标准。
The beaches are beautiful, but, best of all, there are very few tourists.
这片海滩很美，尤其令人满意的.是游客稀少。
The beaches are wide and filled with interesting flotsam and jetsam.
海滩宽阔，到处是有趣的被冲上岸的零碎杂物。
Under pressure from the public, many regional governments cleaned up their beaches.
迫于公众压力，许多地区政府对各自海滩进行了清理。
State police say that high tides and severe flooding have damaged beaches.
州警方称，高潮位和严重的水灾冲坏了海滩。