“化石的”造句
9144590
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2024年06月30日 18:25:19科学家根据那些化石的骨骼结构确定其年代.
Scientists have dated the fossils by their bone structure.
有两个因素对生物化石的保存是有利的.
Tow factors are favorable for the preservation of organisms as fossils.
它们是怎样变成化石的?
How did they become fossils?
Scientists have dated the fossils by their bone structure.
有两个因素对生物化石的保存是有利的.
Tow factors are favorable for the preservation of organisms as fossils.
它们是怎样变成化石的?
How did they become fossils?
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