Loud noise in confined spaces can exert too much pressure on your ears.

密的巨大噪音会对的耳朵造成很大的压力。

For authorities, this proves the sarcophagus is airtight.

这对当局证明了石棺的密性。

But please be warned that, like all mines ours is very dark and closed in and we do say that children under five and also dogs should NOT be taken into the mine.

但是请注意，和所有的矿井一样，我们的矿井是一个很暗的密，所以我们建议各位不要把五岁以下的孩子和狗狗带进矿井。

They then send him to spend the night in an air-tight chamber.

然后们密的里过夜。

Whatever is down there, they usually encapsulate.

不管下面是什么，它们通常是密的。

And we appear to be in some kind of secret confined space.

我们好像什么秘密的密。

You should store these cookies in a container with a tight lid.

应该把这些饼干保存一个有密盖子的容器里。

To do this, you need what is called a clean room, one that has an extremely low level of dust, microbes, floating particles, or chemical vapours.

为此，必须使用" 洁净室" ——一种尘埃、微生物、悬浮颗粒及化学蒸汽含量极低的密。

Air filters work in confined spaces indoors, but " if you talk of the open atmosphere, there is no way that any smog tower in the world is actually able to clean it" , he says.

说，气过滤器室内的密起作用，但“如果说到开放的大气层，世界上任何一座烟雾塔都不可能真正净化它。”

The event was attended by many people from the area, both young and old. During the program, people are asked to lie down in a closed coffin for about 10 minutes.

这次模拟葬礼活动有该地区的很多人参加，有年轻人也有老人。项目进行期要求人们密的棺材里躺大概10分钟左右。

Our goal when we're designing these habitats is to introduce an airtight structure that can withstand internal pressurization, which is what will allow people to live in a breathable and temperate environment on the inside.

我们设计栖息地的目标是设计出一种可以承受 内部增压的密结构，让人类可以可呼吸、 温和的内部环境中生存。让人类可以可呼吸、 温和的内部环境中生存。我们部署火星上的机器人。

It's probably a mercy because that was probably a kinder end than the unbelievably difficult situation of being four days in a cold dark confined space.

这可能是一种仁慈，因为这可能算是一个更温和的结局，而不是一个寒冷黑暗的密里艰难度过四天，这种情况更为困难。

Even with sound barriers, close-fitting windows and noise-reducing materials, there is only so much that can be done to reduce sound levels in the city.

即使有隔音屏障，密的窗户和降噪材料，也只能做这么多来降低城市的声音水平。

Some day you will perhaps go to an aquarium and see many kinds of fish in large tanks with glass sides.

有一天, 可以前往水族馆, 巨大的玻璃密水池中观赏到各种各样的鱼类。

Prisons are in the news because of the threat covid-19 poses to people locked up in a confined space.

监狱经常出现新闻中，因为监狱对被关密里的人构成了威胁。

Quick-thinking teachers are credited with saving lives by moving students to closed spaces before the storm destroyed the building.

思维很快的教师应该受到赞誉，们龙卷风将建筑摧毁之前迅速把学生们转移到密的。

Take that oxygen and pump it into airtight living structures and now you've got somewhere to party.

然后将氨气打到密的，我们就有地方举办派对。

The sensation of isolation and confinement living in a small spacecraft for months can impair their mental health.

狭小密的宇宙飞船生活数月，所带来的孤独和封感，会有损心理健康。

Because humans are leaky animals. The real question might be how we'll keep our many microbes...from colonizing Mars.

人类不是“密”的。真正的问题或许于，我们如何防止与人类相关的多种微生物殖民火星。

They let outside air into the humid cavity through tiny holes which are controlled by hermetically sealed valves.

它们通过受密阀门控制的小孔让外界气进入潮湿的体腔。