And there are three main types of seaweed red, brown and green, and the kelps are a type of brown.

分为三个主要种类，红藻、褐藻以及绿藻，昆布是褐藻的一种。

Kelp likes to grow between seven degrees and 12 degrees is ideal.

褐藻喜欢在7度到12度之间长，这是最理想的状态。

They found that when the flies were given brown seaweed extract, their lifespans increased by two days.

他们发现，接受了褐藻提取物疗法后，果蝇的寿命延长了2天。

They’re common structures in some red and brown algae.

它们是一些红藻和褐藻中的常见结构。

That is sodium alginate, that's made from brown algae, that holds the water inside.

那是海藻酸钠， 由褐藻，将水保存在里面。

We could look at seaweed, the kelps, all these different varieties of things that can be high in omega-3s, can be high in proteins, tremendously good things.

比如海带，褐藻， 它们有许多不同品种，均富含ω-3不饱和脂肪酸， 富含蛋白质， 非常好的东西。

In temperate and polar climates, up to 40  meters below the surface, dense populations of giant kelp, the largest brown algae, grip  the rocky seafloor with branching roots called holdfasts.

在温带和极地气候下，在海面以下 40 米深的地方，巨型海带（最大的褐藻）密集种群通过称为固着物的分枝根抓住岩石海底。