以上来源于: WordNet
N any tracheophyte plant of the genus Equisetum, having jointed stems with whorls of small dark toothlike leaves and producing spores within conelike structures at the tips of the stems: phylum Sphenophyta 木贼属植物
A staple part of the vegetarian dino-diet was probably horsetails, fern-like plants that were abundant in prehistoric swamps and highly nutritious.
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, said the scientists.
科学家说，食草恐龙的主要食物大概是楔叶类、类似于蕨类的植物。这些植物在史前的沼泽地带十分丰富，而且很有营养。
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