然而剑齿龟生活的年代还没有草生长，因而食物来源可能是二叠纪植物群的茎或叶。
Grasses did not exist at that time but it may have fed on stems or leaves of Permian flora.
目的：研究龟叶草水煎液的免疫作用。
Objective:To study the immune function of Rabdosia excisa decoction.
地中海陆龟在野外一般进食草本植物，肉质植物，包括草，花，小树枝，偶然掉下来的水果。
The diet of Mediterranean tortoises in the wild consists almost entirely of herbaceous and succulent vegetation, including grasses, flowers, twigs and very occasionally fallen fruit.
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