单词：fossil plant
fossil plant的用法和样例：
例句
- These plant fossils date back to the age of the dinosaurs.这些植物化石可追溯至恐龙时代。
- The research result shows that these fossil plants belong to the Cathaysian elements.研究结果表明，这些植物化石均为华夏型分子，可以和华夏植物区的一些同期植物群进行对比。
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