岩石周围可能有空气。
没有空气可以呼吸。
如果没有空气,飞机就无法飞行。
如果我们离地球足够远,我们就会发现那里没有空气。
If we go far enough away from the earth, then we will find there is no air.
“嫦娥四号”携带了一个微型花园,里面有空气、水和土壤,还种下了种子。
Chang'e 4 carried a mini garden with air, water and soil with seeds planted in it.
高处没有空气污染。
每个人都知道街道上有空气污染,但发现自己家也会受到污染时,人们会感到十分震惊。
Everyone knows that there is air pollution in the street, but it's a shock when you discover that you are also in danger from pollution in your own home.
我们没有空气、食物和水就不能生存。
你也可以在航天飞机上做实验,你周围只有空气。
You could do experiments in the shuttle as well, where you have only air around you.
他推断,已知的一些单细胞生物进入类似冬眠的状态,在没有空气和食物的情况下存活数年。
He reasoned that some single-celled creatures are known to enter a hibernation-like state and survive for years with no air or food.
在水面上有空气,这是水。
现在我们考虑这个系统,这个系统中有空气。
And now we're going to be working on this system here, where we have air.
丹尼尔:那么玻璃瓶中没有空气了?
如果没有空气,就不会有生物。
没有空气和水,世界上就不会有生命。
Were there no air or water, there would be no life in the world.
太空中没有空气,旗帜怎么可能飘起来?
在数到8的时候,将肺部所有空气排出。
Try to get all the air out of your lungs by the time you count to 8.
在木星上没有空气或水。
没有空气我们不能生存。
没有空气就没有声音。
月球上没有空气和水。
没有空气,你只能活3分钟,尽管我们不建议你去尝试。
You can live 3 minutes without air, though we don't recommend trying.
感觉那只在腹部上的手回落,用这只手将所有空气推出。
Feel the hand on your belly go in, and use it to push all the air out.
沉船被海洋中没有空气的环境保管起来,躺在深水中的船只被保存得尤其完好。
A sunken ship lies in trust, preserved in the airless environment of the sea and those in deep water are especially well protected.
没有水和食物,我们可以生存几天,但是没有空气几分钟我们都无法生存。
We can go without food or water for a few days but we can't live for more than a few minutes without air.
没有水和食物,我们可以生存几天,但是没有空气几分钟我们都无法生存。
We can go without food or water for a few days but we can't live for more than a few minutes without air.
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