No, that's not the main danger for them. But the shells prevent them from drying out because they're in the open air for most of the time.

不，那不是面临的主要危险。这些壳能防止过多流失水分，因为部分时间都在露天环境中。

She gave a free concert in the open air, near the Lincoln memorial.

她办了一场免费露天音乐会，就在林肯纪念堂附近。

Families drag dining tables onto the porch for supper in the open air, and afterward, people sat outside in their yards or in stoops until late, catching any whisper of a breeze under the stars.

人把餐桌搬到门廊露天吃晚饭，饭后坐在自家院子或门前台阶上消磨时光至深夜，在星空下捕捉一丝微弱凉风。

It was therefore necessary to have sections of the line that weren't enclosed, out in the open air, to allow for proper ventilation.

也因此，在途中留有未封闭的开放空间是很重要的，这样才能将气体适当排出。

Then outside the museum at the back there're tables, and students can bring their own lunch and eat it there in the open air.

博物馆的后面有桌子，学生可以带上他的午餐在户外就餐。

So adding small amounts of a chemical to the plastic – a special additive – allows the plastic to break down in the open air.

就是说在制造塑料袋时添加少量某种化学物质——一种特殊的添加剂——就会让塑料袋在户外自然降解。

Most of the tour is in the open air, so nice weather helps.

部分旅行都是在露天进行的，所以好天气会有所帮助。

Just don't cough into the open air, and most certainly, don't cough on other people.

但就是不要露天咳嗽，肯定的是 ，不要对着别人咳嗽。

Now, springing up as spring arrives, squeezing its way into the open air.

现在，随着春天的到来，如雨后春笋般冒了出来，挤进了户外。

For a year she travelled around America, singing and preaching at prayer meetings. She supported herself with odd jobs, and slept wherever she could, often in the open air. After a year of preaching, Sojourner joined the Northampton Association.

一年间，她旅行全美国，在祷告会上唱歌，传道。她打零工来养活自己，不论哪里都可以睡，经常睡在露天。一年的传道之后，Sojourner加入了北安普顿协会。

Ye'll have to sleep in the open air, and ye'll often have an empty stomach.

你得睡在露天处，还得时常忍饥挨饿。

Because it's like an open air museum.

因为就像一个露天博物馆。

He added that the shelters can get crowded, pushing people outside, into the open air.

他还指出，避难所已经人满为患，好多流浪者不得不暴露在污染的空气中。

They like sleeping, playing, eating and washing (or not washing) in the open air.

他喜欢在户外睡觉、娱乐、就餐以及洗衣（不洗衣也可以）。

" Beneath us, in the open air, stood a city that was once called Simla."

“在我下面那露天地里，立着一座城，曾经一度叫做西姆拉。”

Soon a gentle rolling told me that we were afloat in the open air.

过了一会，一阵微微的晃动说明我浮到了海面上了。

Exposed to the open air, it was firing off strange waves of light.

魔方暴露在空气中，向外迸发着一阵又一阵的奇异光芒。

Yeah. and just... and enjoying people, enjoying today. Being... you know, being grateful that we've got a lovely day and we can walk along here and appreciate... just being... you know, out in the open air, really.

是的。只是… 享受人的陪伴，享受今天。是… 你知道，很感激我有美好的一天，我可以在这里散步，欣赏… 只是… 你知道，在户外，真的。

This is a carefully coordinated event, where they had a very specific security construct built around it to ensure, even though they are in open air and in the public, all threads within all concentric rings are being mitigated.

这是一项精心协调的活动，他在周围建造了一个非常特殊的安全结构，以确保即使在露天和公共场所，所有同心圆内的所有线程都得到缓解。

Pope Francis, along with the Archbishop of Canterbury Justin Welby and Church of Scotland Moderator Ian Greenshields, took part in an open air ecumenical prayer vigil at a mausoleum for South Sudan's liberation hero, John Garang, on Saturday.

周六，教皇方济各与坎特伯雷主教贾斯汀·韦尔比和苏格兰教会主持人伊恩·格林希尔兹一起参加了在解放南苏丹的英雄，约翰·加朗的陵墓举行的露天公祈祷仪式。