There's an essential ingredient in egg yolks called vitellogenin.

卵黄中有一种重要的物质叫卵黄生成素。

The most essential ingredient in a healthy free market is competition.

一个健康、自由市场环境中最重要的元素就是竞争。

Of course ice is another essential ingredient for many of the winter games.

当然了，冰是很多冬季项目的另一个基本因素。

Exercise, especially resistance training, is the essential ingredient for muscle and strength development.

锻炼，尤其是阻力训练，是肌肉和力量发展的重要组成部分。

Fine Belgian chocolates and Irish potatoes - these essential ingredients came to Europe through colonization.

精致的比利时巧克力以及爱尔兰土豆——这些都是通过殖民来传入欧洲的食物。

Comets and asteroids probably brought essential ingredients for origin of life to the surface of the Earth.

彗星和小行星可能带来原始生命的基本物质来到地球表面。

They hope to one day confirm that meteorites and comets could have delivered life's essential ingredients to Earth.

他们希望用1天的时间确认那些流行和彗星能够把基本生命物质带到地球上来。

And there's another essential ingredient to these packages, cyanobacteria, which provide the fungi with nutrients and convert sunlight into oxygen.

蓝藻是这些包裹的另一种重要成分，它为真菌提供养分，并将阳光转化为氧气。

That's the essential ingredient is a cat.

那是必不可少的成分是猫。

The essential ingredient in cement is calcium oxide, CaO.

水泥中的基本成分是氧化钙， CaO。

And turns out to be the absolutely essential ingredient in gunpowder.

事实证明它是火药中绝对必要的成分。

Investment in new product development is an essential ingredient of corporate success.

【ingredient】注入资金进行新产品的开发是公司成功的重要因素。

Because the first time you took it, you were Missing one essential ingredient...

因为你第一次考的时候，你缺少了一样重要的东西。

And corn is also an essential ingredient, or corn derivatives, in a lot of processed foods as well.

玉米也是许多加工食品中必不可少的成分或玉米衍生物。

It is the world's most consumed raw material after water and an essential ingredient to our everyday lives.

它是世界上仅次于水的消耗量最大的原材料， 也是我们日常生活中必不可少的成分。

Now, in addition to all the practices that we've gone over in this video, another essential ingredient in the formula for intense focus is interest.

现在除了视频中我们提过的几条建议，在那个保持高度集中的公式里还有另一个必要元素：兴趣。

All of which means that sleep and the very act of dreaming itself appears to be an essential ingredient to so much of our waking lives.

这些都意味着睡眠和做梦这个行为本身，似乎是我们现实生活中不可缺少的部分。

This soft milky cheese is an essential ingredient in many renowned Indian dishes, like Pollock Paneer, in which the paneer is simmered in a spinach curry.

这种柔软的乳状奶酪是许多著名的印度菜肴中必不可少的成分，比如鳕鱼奶酪，奶酪丢在菠菜咖喱中炖制。

Prices are up in fish markets like this one with some species now much harder to find including the which is an essential ingredient in local cuisine.

市场价格上涨，比如这类鱼，而且现在要找到某些鱼类更加困难，包括这种当地美食的必需原材料。

However, confirming whether there has this essential ingredient for life would be tricky, it's located 500 light years away from the Earth.

然而，确认是否存在这种生命必需的成分是很棘手的，它距离地球 500 光年。