沼泽地带，地表水分含量过饱合的地带、泥炭层厚度较薄，植物根部可以穿透泥炭层直接生长在矿物质土层中，这种地带称为沼泽化地带。
边远地区的人和沼泽地带的居民既无马也没有骡子。
The backwoods folks and the swamp dwellers owned neither horses nor mules.
食草恐龙的主要食物可能是马尾草，这是一种类似于蕨类的植物，在史前的沼泽地带大量存在，营养丰富。
A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious.
研究人员研究了生活在红树林沼泽地带的水母，他们发现水母的眼睛总是盯着树冠。
The studied jellies live in mangrove swamps and the studied eyes are always aimed at the tree canopy.
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