Menstruation is really just a very normal body life cycle.

月经其实只一个非常正常的身体生命周。

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

回到幼体，重新开始生命周。

So, in 2019, I was first contacted by the Nature Conservancy in California because they were interested in whether it would be possible to breed sunflower stars through their life cycle.

在2019年，加利福尼亚州的自然保护协会第一次联系到我，因为他们对向日葵海有可能在其整个生命周中繁殖感兴趣。

We're constantly digging into the data to understand why customers are bringing stuff back, and we actually can solve a bigger portion of the end of the life cycle of the product by stopping a return from ever occurring.

我们不断地挖掘数据，来了解顾客为什么要把东西退回来，实际上，我们可以通过减少经常退货事件的发生，来解商品生命周短的大部分问题。

Which means starting from entire life cycle of onboarding.

这意味着从入职的整个周就要开始。

To confirm their theory, the scientists model the life cycle of stars in LMC over the past couple of billion years and revealed the effects of the birth of hypervelocity stars.

为了证实他们的理论，科学家们模拟了 LMC 中恒在过去几十亿年间的生命周，示了超速恒诞生的影响。

Octopuses are difficult to farm because they have a complex life cycle, the series of changes an animal goes through, starting with birth and ending in death.

章鱼很难被养殖，因为它们的生命周很复杂。生命周动物从出生到死亡所经历的一系列变化。

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，进化可能会选择更快的生命周。

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

D）研究酶的整个生命周作为第一步。

Where do most plants start their life cycle?

大部分植物的生命周大多从哪里开始？

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

和蝴蝶一样，水母在生命周的不同阶段有不同的变体。

Scientists wonder if the life cycle of stars is the same in these distant regions.

科学家们猜想在这些遥远的区域，恒生命过程也一样的。

In a 2018 study, scientists hypothesized that civilizations could even have fossil fuel-driven life cycles.

在 2018 年的一项研究中，科学家们假设文明甚至能以化石燃料来驱动生命周。

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

在它们生命周的这个特定时，这段时间相当关键的。

But Maria explained and painted their life cycle.

但玛丽亚做出了阐释绘制了它们的生命周。

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

这些元素在恒生命周结束时爆炸进入太空。

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

但它们的生命周更短，只有2种存活方式。

Do you worry more that maybe there haven't been enough tests on genetically modified foods, that there might be side effects that could lead to cancer, or could maybe ruin the naturally life cycle of the plants?

你不担心如果转基本食物没有进行足够的试验，可能会产生副作用吗，可能会导致癌症，或者破坏植物的自然生命周？

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

她只过来跟我一起研究蚕的生命周。

Jellyfish have a complex and interesting life cycle.

水母的生存既复杂又有趣。