With no vegetation and no roots to reinforce them, nothing holds the soils back.

没有植物和根茎的加固，土壤被雨冲走。

Things like root veggies also produce heat.

根茎类蔬菜也会产生热量。

Root vegetables -- such as carrots, beets, and parsnips -- do not transplant easily.

根茎类蔬菜，如胡萝卜、甜菜和防风草，不容易移植。

But potatoes have more protein than these other kinds of roots or tubers.

但是土豆比其他种类的根茎或块茎含有更多的蛋白质。

Even its single deepest root, the taproot, extends less than one meter into the ground.

就连它最深的根茎，直根，往面下延伸也不会超过一。

It's, I think it's a type of a root.

对，想是一种根茎植物。

They are herbivores, dining on tree bark, grass, fruit, and roots.

它们是草食动物，以树皮、草、水果和根茎为食。

More will leak if you cut or otherwise wound the stems again, though.

如果你切断根茎，或者只要伤害根茎又会造成汁液泄露。

They spend more energy on their leaves, trunks and roots than on their acorns.

比起橡果，它们给予叶子、树干以及根茎的能量会更多。

I can smell. Yeah, I can smell. Root vegetables, like sweet potato or swede.

能闻到。对，能闻到。根茎蔬菜，比如红薯或瑞典甘蓝。

A seed was still lying down in the bulb under the ground covered with snow.

一颗种子静静躺在被冰雪覆盖根茎旁。

It was a flower white as snow with thin green stripes.

这是一朵有着细细的根茎并且洁白如雪的花。

You see that on that stalk, there's this brown bulbous thing attached.

你看那根茎上，有这个棕色球茎状的东西附着。

I'm a root vegetable with a long brown stem.

是一种根茎蔬菜，有长长的棕色的茎。

I grow underground because I'm a root veggie.

生长在下，因为是根茎蔬菜。

It's the season of root vegetables, squashes and coziest recipes as well.

这也是根茎类蔬菜、南瓜和最惬意食谱的季节。

Details and photos of those roots are in the journal Science.

这些根茎的细节和图片刊登在《科学》期刊上。

So they're very floriferous and there's lots of flowers on one stem.

所以它们非常多花，一根茎上有很多花。

" What sort of roots? " asked Susan.

“什么样的根茎？”苏珊问。

A popular yet unspoken supplement comes from an unlikely root vegetable.

一种很受欢迎却没有说出口的补充剂来自一种不太可能的根茎类蔬菜。