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.
马尾草被称为美丽的植物。
具有粗糙边茎的竖立常绿马尾草；以前用于编制器皿。
Evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils.
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