The petrified tree was a book of nature .
树木化石是大自然的历史记录。
This eastern collared lizard was posing on a 225-million-year-old petrified tree trunk.
东部的领蜥蜴在有2.25亿年历史的石化树干上摆好了拍照的姿势。
Before reaching the cave, I climbed over a large petrified tree trunk, three feet in diameter, dating back millions of years.
在到这个山洞之前，我爬上过直径有3英尺的石化树干，那树有几百万年的树龄了。
Visible tree rings of the Xinchang Petrified Wood indicate that there might be some seasonal changes in the ancient climate.
新昌硅化木中有明显的树木年轮，表明这种古气候可能存在一定的季节变化。
Visible tree rings of the Xinchang Petrified Wood indicate that there might be some seasonal changes in the ancient climate.
新昌硅化木中有明显的树木年轮，表明这种古气候可能存在一定的季节变化。
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