Which means, unlike sweet potatoes, russets aren't roots — they're underground stems!

这意味着，与红薯不同，赤褐色不是根——它们是地下茎！

32. How? Well, they have tough sort of ... uh ...underground stems called rhizomes.

这是怎么做到的呢？它们长出一种叫做地茎的水下根系。

By the way, when you picked this, you're not killing a plant because it's a network of underground stems called rhizomes that give rise to the leaves.

顺便说一下，当你摘这个的时候，你并没有杀死一株植物，因为它是一个地下茎网，叫做根茎，它产生叶子。