It's got like a purple... a purple stem.

它有一个紫色的。

Fossils of the oldest-known plant with a stem were found in the same area.

在同一地区还发现了已知最古老的有植物化石。

A poison ivy plant will never have a thorny stem.

毒葛植物永远不会有带刺的。

A mushroom is a vegetable with a stem and a round top.

蘑菇是一种有圆顶的蔬菜。

It's got a similar vibe to the stem, except its vascular tissue is clustered in the center of the root.

它有相似的感觉——除了它的维管组织聚集在根的中心。

I made my way to my healthy tomato plants and took comfort in their rough stems and fuzzy leaves.

我走向正在健康生长着的西红柿，摸着它们粗糙的有绒毛的叶子，我深感欣慰。

That's because peppermint is part of the mint family, and almost all of the members of the mint family have square-shaped stems.

那是因为薄荷是薄荷家族的一部分，几乎所有薄荷家族的成员都有方形的。

Of course the plants in these colonies also need tough resilient stems above the soil, stems that can bent a lot but not break as water constantly crashes into them.

当然，这些群落中的植物还需要土壤上方坚韧有弹性的， 这些可以弯曲很多但不会因为水不断冲入而折断。