The world of flora has long been a source of cancer-fighting therapies.

物界一直是抗癌疗法来源。

And this evolutionary change was a big deal for the plant kingdom.

这种进化变化对物界来说意义重大。

The plant world's leading biodiversity hotspots are, quite literally, dirt poor.

就是说，物界生物多样性富饶区，其实非常贫瘠。

That's why they are the botanical equivalent of Fort Knox.

这就是为什么它被看做是物界诺克斯堡。

It'll be one small step for plant, one giant leap for plantkind.

这将是物一小步，却是物界一大步。

It's artificial selection so extreme that they're known as the " dog breeds of the plant world."

这种人工选择是如此极端，至于它被称为“物界犬种”。

Like, there's a debate that's been simmering among plant people for decades about the philosophical significance of the cell.

比如，有一场关于细胞哲学意义争论已经在物界酝酿了几十年。

I observed that all these exhibits from the vegetable kingdom were attacthed to the seafloor by only the most makeshift methods.

我观察到，所有这物界产品，跟土壤只是表面上连接起来。

This is the doctrine of Malthus, applied to the whole animal and vegetable kingdoms.

这就是马尔萨斯学说， 适用于整个动物界和物界。

In the vegetable kingdom Mr. Mivart only alludes to two cases, namely the structure of the flowers of orchids, and the movements of climbing plants.

在物界， Mivart先生只提到了两种情况， 即兰花花结构和攀缘物运动。

Today, we're giving some attention to the unsung heroes of the botanical world — those essential plants that were the first to join the party, but that tend to lie low.

今天，我来关注一下物界无名英雄——这些必不可少物是第一批加入这个行列，但它往往很低调。

We can get a feel for how these plant types came to be by referring to the plant kingdom's phylogenetic tree, a diagram that shows us how organisms evolved over time.

我可通过参考物界系统发育树来了解这些物类型是如何形成，这张图向我展示了生物体是如何随着时间进化。

As for the foregrounds passing before our eyes, they were fantastically carved rocks, forests of trees that had crossed over from the vegetable kingdom into the mineral kingdom, their motionless silhouettes sprawling beneath the waves.

在我眼前闪过前列景象，是那离奇古怪割切成大石块，从物界到动物界树林，那屹立不动形影在海水中挤眉弄眼怪样子。

If we look even to the two main divisions—namely, to the animal and vegetable kingdoms—certain low forms are so far intermediate in character that naturalists have disputed to which kingdom they should be referred.

如果我甚至看一下两个主要部分— —即动物界和物界— — 某些低等类型特征迄今为止处于中间状态， 至于博物学家对它应该归入哪个王国存在争议。

It is the doctrine of Malthus applied with manifold force to the whole animal and vegetable kingdoms; for in this case there can be no artificial increase of food, and no prudential restraint from marriage.

它是马尔萨斯学说， 多方面力量应用于整个动物界和物界；因为在这种情况下， 不可能人为地增加食物， 也不会审慎地限制婚姻。