索贝尔提示说，目前为止，现在眼泪的线索只能将他的小组引导到故事的一部分。

Sobel prompted that, so far, this trail of tears may be leading his team to only part of the story.

youdao

我们被引导着去相信我们能找到很大一部分经过多年冻结形成的更古老、更厚的冰层，这些冰已经存在很多年了，而且会越来越厚。

We'd been led to believe that we would encounter a good proportion of this older, thicker, technically multi-year ice that's been around for a few years and just gets thicker and thicker.

youdao

索贝尔提示说，目前为止，现在眼泪的线索只能将他的小组引导到故事的一部分。

Sobel cautioned that, so far, this trail of tears may be leading his team to only part of the story.

youdao