By looking at the fossil record from that period of time - before the Red Sea was formed - we can gain a clearer view of which species survived this great migration and which did not.
通过观察这一时期——红海形成之前——的化石记录，我们就能更清楚地知道哪些物种在这次大迁徙中活了下来，哪些没有。
By looking at the fossil record from that period of time - before the Red Sea was formed - we can gain a clearer view of which species survived this great migration and which did not.
通过观察这一时期——红海形成之前——的化石记录，我们就能更清楚地知道哪些物种在这次大迁徙中活了下来，哪些没有。
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