Upper Permian is land facies fragments rock construction.

上统为陆相碎屑岩建造。

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Recent evidence suggests, however, that the end-Permian may have been long in the making.

但是，最近的证据显示，这次大灭绝的形成时间很长。

youdao

Recent evidence suggests, however, that the end-Permian may have been long in the making.

但是，最近的证据显示，这次大灭绝的形成时间很长。

youdao