石记的造句大全
- 造句1：海绵动物留下了漫长的化石记录。英 文：Marine sponges have a long fossil record (= their development has been recorded over a long period ).
- 造句2：这种强调均衡的理论尝试解释化石记录的奇怪之处——这点古生物学家已经了解超过一个世纪了却常常把他忽略。英 文：The punctuated equilibrium hypothesis attemptsto explain a curious feature of the fossil record --- one that hasbeen familiar to paleontologist for more than a century but hasusually been ignored.
【石记】的拼音及解释
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