And on that healthy note, let's recap the vocabulary from this programme, starting with in vitro fertilization, or IVF – a medical technique for women who cannot become pregnant naturally.

说健康方面，让我们回顾一下本期节目中的词汇，从体外精或IVF开始，这种医疗技术针对的是不能自怀孕的女性。

If fertilization occurs - meaning if a sperm meets the secondary oocyte - then the corpus luteum continues making progesterone until the placenta forms.

如果这时候精，精子遇次级卵母细胞，黄体会持续地分泌黄体酮，直胎盘形成。

The team began following Chrastil shortly before she became pregnant through in vitro fertilization.

在克拉斯蒂尔通过体外精怀孕前不久，该团队就开始追踪记录她。

Heredity, date of fertilization, membership of Bokanovsky Group–details were transferred from test-tube to bottle.

遗传状况、授精日期、波坎诺夫斯基组别——全部细节都从试管子上。

The female's egg becomes an embryo without fertilization.

雌性的卵在没有精的情况下成为一个胚胎。

While most plants do keep their pollen-covered private parts right out there in the open, flower pollen is usually too heavy to go airborne, instead they get bees and other pollinators to help them do the fertilization deed.

大多数植物它们裹着花粉的中心部位都裸露在外面，但花粉太重，不能在空气中传播，它们会让蜜蜂和其他传粉者帮助它们完成精。

For women who struggle with infertility, in-vitro fertilization can be used.

对于与不孕作斗争的女性，可以采用体外精。

The nation carries out high-level research into the genetics of cattle and it does more in-vitro, or laboratory, fertilizations than any other country. Viatina-19 is an example of Brazil's success in the beef industry.

该国对牛的遗传学进行了高水平的研究，体外精或实验室精的数量也超过了其他任何国家。Viatina-19是巴西在牛肉行业取得成功的一个例子。

And these are women who are undergoing in vitro fertilization, IVF, so we're also looking at their follicular fluid-so the fluid around the eggs that we get at the time of the egg retrieval.

这些是正在接体外精，也就是试管精的女性，我们也观察了她们的卵泡液--即提取卵子时得的卵子周围的液体。

Other animals, as well as humans, have been successfully bred through artificial insemination, but perfecting the process in dogs took decades because of the critical timing in fertilization of the female dog's eggs.

对于其它物种以及人类来说，人工精已经非常成熟，但对于狗来说，由于对卵细胞的精时间有着非常高的要求，所以对于狗的人工精研究持续了数十年的时间。

So she's holding onto sperm, and then when she lays that egg does the fertilization not happen until like the moment she's about to lay the egg?

所以她有了精子，后当她产卵的时候，精过程是不是直她要产卵的时候才发生？

Doctors say that although there are no guarantees the woman can now get pregnant, they will be able to start trying using invitro fertilization in about a year.

医生称不敢确保这位女子能怀孕，他们大约一年后能开始尝试试管精。

Which means, for fertilization to occur, they have to either be in place during ovulation, or they have to arrive no more than a day after.

也就是说，要想精，它们要么必须在排卵期就位，或者不能超过一天后达。

NOAA's National Ocean Service website says the sex of sea turtles is not determined at the time of fertilization, but by the temperature of developing eggs.

美国国家海洋和大气管理局的国家海洋服务网站表示，海龟的性别不是在精时决定的，而是由蛋发育时的温度决定的。

Collura told the Associated Press that the ruling raises questions for " in vitro fertilization, " or IVF, the method of fertilizing eggs in a laboratory.

科卢拉告诉美联社，这项裁决对体外精提出了质疑，体外精是在实验室里使卵子精的方法。

Agriculture: Cultivating Smarter Farming Practices Precision Agriculture: AI-powered systems can analyze soil conditions, weather patterns, and crop health to optimize irrigation, fertilization, and harvesting.

人工智能系统可以分析土壤条件、天气模式和作物健康状况, 以优化灌溉、施肥和收获。

In vitro fertilization is when doctors combine male and female cells to create an embryo, which is later implanted in a woman's uterus.

体外精指医生将精子与卵子结合形成胚胎，随后将其植入一名女性的子宫中。

At about 14 days into the cycle, an egg is released from the follicle in the ovaries and fertilization could take place.

大约在月经周期的第 14 天，卵子从卵巢的卵泡中释放出来，精就开始了。

Take carbon fertilization, for example — the phenomenon by which plants absorb more carbon dioxide as its concentration in the atmosphere increases.

以碳施肥为例——当二氧化碳在大气中的浓度增加时，植物会吸收更多的二氧化碳。

The writers of several studies described models that look similar to human embryos nine to 14 days after fertilization.

几项研究的作者描述了精后9至14天看起来与人类胚胎相似的模型。