For example, the language part of the brain develops when a person is very young.

例如，在们小时候，大脑的语言部分就会始发。

There, the early spring weather can be too warm and the grapes begin to develop before they should.

在那里，早春的天气可能太温暖，葡萄提前始发。

After nine months, the first baby leaves the pouch, triggering the second embryo to start developing.

九个月后，第一个幼崽儿袋，触发第个胚胎始发。

Then groups of heavy, eight-to- twelve-centimeter-long fruits that look like mangoes start to develop.

然后，一簇簇看起来像芒果的水果始发，它们很重、有8到12厘米长。

And once this second baby leaves the pouch, the third embryo starts to develop, and the cycle continues.

第个幼崽一儿袋，第三个胚胎就始发，就这样一直循环下去。

Around 7 weeks the male sex organs start to develop because of a gene on 'Y' chromosome called 'SRY'.

大约7周左右，男性性器官始发，这是由于“Y”染色体上有一种叫做“SRY”的基因。

The disruption in hormones prevents puberty from beginning or successfully completing.

激素的中断阻止了青春期发始或完成。

The whole thing increases in size, and bundles of cells start developing into support structures.

整个体积变大，细胞束始发成支撑结构。

The sperm and the egg, basically they come together, and then they start developing.

精子和卵子基本上结合在一起，然后始发。

The womb represents the very first place in which life takes form.

【form】子宫就是生命始发的地方。

Then, after two days, a little chick will begin to form inside the egg, just on the top of the yolk.

经过两天之后, 一只小鸡就会在鸡蛋之中展露雏形, 从蛋黄顶部始发。

And listen, I started off in neural development.

听着, 我始神经发。

Around 24 weeks in, the lung structures that swap out oxygen and carbon dioxide, called alveoli, start developing.

大约 24 周后，交换氧气和氧化碳的肺部结构（称为肺泡）始发。

At that time, I really started developing really under eye bags.

那时，我真的始在眼袋下发。

The caterpillar doesn't really start forming or developing until that egg is laid, and then the clock really starts ticking.

毛毛虫直到产卵才真正始形成或发，然后时间始推移。

Upon successful fertilization, the zygote immediately begins developing into an embryo, and takes about three days to reach the uterus.

受精成功后，受精卵立即始发成胚胎，大约需要三天才能到达子宫。

And the third trimester starts at 28 weeks – that is the time when the fetus's weight increases and the organs begin to grow.

第三个妊娠期从28周始，胎儿体重增加，器官始发。

Photos of brain organoids in particular, where you see them beginning to develop the shape of a real early human embryo.

特别是大脑类器官的照片，你看到它们始发成真正的早期类胚胎的形状。

For girls, breasts will start to develop around 10 to 11 years of age and is often the first outward sign of puberty.

对于女孩来说，乳房将在 10 至 11 岁左右始发，通常是青春期的第一个外在迹象。

The team then genetically changed the cells in an effort to get them to start developing into something that looks and behaves like a real human embryo.

然后，该研究团队对这些细胞进行了基因改造，以使它们始发成形态像真正的类胚胎的东西。