The inaccessibility of this remote region, now called Amazonia, meant that long-held theories about the early days of the river and surrounding forest were speculative at best.
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- 而现在称为亚马逊流域的这个偏远地区难以进入,也意味著长期以来关于早期河流与周围森林的理论,顶多是靠推测的。