Bog: An area having a wet, spongy, acidic substrate composed chiefly of sphagnum moss and peat in which characteristic shrubs and herbs and sometimes trees usually grow.

 
  • 沼泽,湿地:底面为酸性和湿软的地带,主要由灌木、草类及一些树的水藓泥沼和泥煤构成。
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