Menstruation is really just a very normal body life cycle.

月经其实只是一正的身体生命。

The juvenile then starts the jellyfish's life cycle all over again.

回到幼体，重新开始生命。

Where do most plants start their life cycle?

大部分植物的生命大多从哪里开始？

These elements exploded into space at the end of the stars' life cycles.

这些元素在恒星生命结束时爆炸进入太空。

She's just coming over to study the life cycle of silkworms.

她只是过来跟我一起研究蚕的生命。

" It slows down the whole lifecycle of wheat research."

“它延缓了小麦研究的整生命。”

It has clearly taken a beating in its lifetime.

在它的生命里，明显地遭受了打击。

D) Studying the full life cycle of the enzyme as the first step.

D）研究酶的整生命作为第一步。

The latest data from Gaia sparked a discovery in a star's life cycle.

盖亚的最新数据引发了恒星生命中的新发现。

But they have a much shorter life cycle and stay alive in two ways.

但它们的生命短，只有2种存活方式。

Like other jellyfish, T. dohrnii goes through a two-part life cycle.

和其他水母一样，灯塔水母的生命由两部分组成。

But Maria explained and painted their life cycle.

但玛丽亚做出了阐释并绘制了它们的生命。

Their strange cycle has attracted the attention of journalists all over the country.

它们怪异的生命吸引了全国各地记者们的注意力。

Life cycle is the series of changes something goes through from birth to death.

生命是事物从出生到死亡所经历的一系列变化。

Like butterflies, Turritopsis morph through multiple stages during their life cycle.

和蝴蝶一样，水母在生命的不同阶段有不同的变体。

In an earlier part of their life cycle, both cicely and hemlock have white flowers.

在生命的早阶段，甜芹和毒芹都开着白色的花。

Their stems dying and reborn in a life cycle that renders them essentially immortal.

它们的茎在生命中死亡又重生，基本上使它们不朽。

And that time is quite critical at this particular period of their life cycle.

在它们生命的这特定时，这段时间是相当关键的。

When large mammals like grizzlies are hunted, evolution might select for speedier life cycles.

当灰熊这种大型哺乳动物被猎杀时，进化可能会选择快的生命。

And the length of time you can expect a product to work for is known as its lifecycle.

你预一产品可能运转的时间长度被称为它的生命。