Both these devices worked well in sunny climates; but in northern Europe, the sun may be hidden by clouds for weeks at a time, while temperatures vary not only seasonally but from day to night.

这两种装置在阳光充足的气候条件下工作良好；但在北欧，太阳可能一次被云层遮挡数周，而温度不仅随着季节变化，而且还随着昼夜变化。

youdao

The weather is usually warm and sunny during these months so remember to bring some sun protection, especially on hot days.

在这几个月里，天气通常是温暖和晴朗的，所以记得带一些防晒用品，尤其在炎热的日子里用。

youdao

Most women spend every sunny day out in the sun trying to get darker skin.

每逢晴天，大多数女性就在阳光下晒太阳，想要让皮肤晒得更黑一点。

youdao

It says ultraviolet radiation from the sun can reach you on cloudy days, as well as bright and sunny ones.

VOA: special.2010.07.06

I don't know whether the average undergrad at the University of Arizona just has a sunny personality or whether they "Spent too long in the sun."

亚利桑那大学的毕业生,是都很阳光呢,还是他们"在阳光下晒得太久了"

耶鲁公开课 - 博弈论课程节选

Charlie Nardozzi says parsley likes to grow in sunny places or in partial sun.

VOA: special.2009.06.02

So each of you deserves this moment in the sun -- and it is sunny. (Laughter.) Because tomorrow we know that you and your fellow first responders will be back on your diligent duty -- looking out for us, looking out for one another, looking back at times with fallen partners, determined to make sure that their extraordinary sacrifices were not in vain.

WHITEHOUSE: President Obama Honors the Nation��s TOP COPS

Will we eventually be taxed or fined for enjoying a sunny day without slapping on sufficient sun-protection?

ECONOMIST: The dead hand of the state

Europe has similarly daft subsidy regimes with equally perverse consequences the German subsidy for solar energy, for instance, which has diverted the world's solar-cell production to sun-free Germany, thus raising the price in sunny countries where it might be usefully employed.

ECONOMIST: Climate change