After a succession of warm days, the weather became cold.

连着暖和了几天，天气变冷了。

Boy, it starting to get nippy, huh?

开始变冷了啊？

Suddenly the air is very cold.

突然空气变冷了。

Then at night when the air is cooler, the heat radiates away.

夜晚空气变冷，幅散。

If it gets colder, we'll light a fire.

如果天气变冷，我们会点火。

If it gets colder, we should light a fire.

如果天气变冷，我们应该点火。

Mercury to tell you when it's really cold.

汞能告诉你何变冷。

These autumn days will shorten and grow cold.

秋天的白昼要变短，天气要变冷。

We can talk about the weather getting hot or getting cold, for instance.

例如，我们可以谈论天气变或变冷。

The final fate of the Solar System will be to cool off and freeze.

太阳的状态将是变冷和冰冻。

She laid it on the table to get cold and hard.

她把蜡像放在桌上，让它变冷发硬。

Do you wanna live outside? Because it's getting cold!

你想睡路边吗？天气要变冷罗！

But what causes the air to cool in the first place?

但首先，是什么原因导致空气变冷的呢？

It's possible it will get cold later and you'll need to put your coat on.

一会可能会变冷的，你需要穿上外套。

Drink up your noodle juice before it gets cold.

在变冷之前快把你的茶喝了吧。

And why do things become cold in space?

为什么太空中的东西会变冷？

70 million years ago, the earth was cooling.

七千万年前，地球正在变冷。

The skin sends signals to the brain once the body starts to get cold.

一旦身体开始变冷，皮肤就会向大脑发送信号。

So, it is best placed on a road before the temperature gets very cold.

所以，好在温度变冷之前就把它放在路上。

I kept looking until it got cold and dark and I had to go home.

我一直找到天黑、变冷，我必须回家的候。