Why is swamp called swamp?

來源: 走馬讀人 於 2012-01-14 06:44:50 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (1312 bytes)

窪井池塘溪泉沼澤灘塗港汊水庫湖泊冰川瀑布江河海洋
Slight depression wells ponds lakes reservoirs swamp stream brook spring marsh tidal banching stream marine glacial rivers waterfalls

After read
http://en.wikipedia.org/wiki/Swamp
It confirmed my conjection about its secret

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