Less solar energy is available on cloudy days or at night.

在多云天气或是晚上 太阳能供给量就会下降。

So the energy continues after the sun goes down or even on cloudy days.

因此，即使在太阳下山后，甚至在阴天，能量也会继续存在。

The panels also turn, which permits more light to hit the crops on cloudy days.

这些电池板还会转动，这样在多云的天气能让更多的阳光照射到作物上。

Unwrap the tree on a cloudy day in early spring, soon after the last frost.

在初春的多云的一天，即最后一次霜冻过后不久，拆开树的包装。

This discourages investors in the flexible, gas-powered generation needed to provide backup for windless, cloudy days.

这也从灵活性上令投资者犹豫不决，因为天然气发电器需要在无风的阴天里提供后备支援。

She said she saw a sign of hope on a cloudy day last year in Wisconsin.

她说，去年在威斯康星州的一个阴天，她看到了希望。

The solstice marks the longest period of sunlight of the year but it was a typical cloudy day.

夏至标志着一年中日照时间最长的一天，但这是一个典型的多云天气。

It was still the gray-green light of a cloudy day in the forest, but it was clearer somehow.

虽然依旧是阴天森林里的那种灰绿色的光线，但不知怎么的，的确明亮一些了。

We really, I've got sunshine on a cloudy day.

我们真的， 阴天见阳光。

So let's talk about cloudy days.

那么让我们谈谈阴天。

It's not like a regular, cloudy day.

这不像一个普通的阴天。

On a cold and cloudy day in March of eighteen sixty-one, Abraham Lincoln became the sixteenth president of the United States.

在1861年3月一个寒冷多云的日子，亚伯拉罕·林肯成为美国第十六任总统。

Whether good or bad, a comment about the temperature or sky condition (sunny day, cloudy day, rainy day, etc.) never offends.

谈论气温或天候（晴天、阴天、雨天等），评语不论是好是坏，永远都不会得罪人。

Always wear SPF. It doesn't matter if it's a cloudy day, guys.

始终佩戴 SPF。伙计们，阴天也没关系。

Maybe it's a really rainy and cloudy day outside. It is a gloomy day.

也许外面真的是雨天和阴天。这是阴沉的一天。

Just indicating that it is a cloudy day by stating that there's clouds in the sky.

只是通过说天空中有云来表示今天是阴天。

So on a cloudy day, for example, pilots may not know exactly where a plume could be.

因此，例如，在多云的日子里，飞行员可能不知道羽流的确切位置。

Finally, we got to the top, and as it turned out, it was a really cloudy day and we couldn't see anything.

最后我们爬上山顶。事实证明，那天多云，我们根本什么都看不清。

I mean, even I could put up with a few more cloudy days if clouds saved the planet.

我的意思是，如果云能拯救地球，即使是我也能忍受多阴天。

And yet once you're up here even on a cloudy day, those numbers gave way to feelings which are quite frankly difficult to describe.

然而一旦你是在多云的日子来这里游览, 这些数字坦白说给你的是很难描述的感觉。