凯蒂，在着轮椅，吸着氧气，倾听丈夫和朋友唱歌。
Katie, in her wheelchair with the oxygen tube, listening a song from her husband and friends.
火箭在太空中运行时，发动机不停地工作着，因为火箭本身带着氧气。
When a rocket travels in space, its engine goes on working, because the rocket carries oxygen with it.
目前国内钢铁企业普遍存在着氧气放散率较高的问题，造成大量的能源浪费。
The problem of high oxygen blow-off rate universally exists around the domestic iron and steel enterprises, which causes enormous loss of energy.
这再次暗示着打哈欠与氧气几乎没有关系。
Again the implication is that yawning has little or nothing to do with oxygen.
其他行星上没有氧气，这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
在火星和我们太阳系的其他行星上没有氧气，这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
现代大气层支持着许多复杂的生命形式，而这些生命在地球最初的大气层中是不可能存在的，因为当时的氧气含量太低。
The modern atmosphere supports many forms of complex life that would not have been able to exist in Earth's first atmosphere because the oxygen level was too low.
氧气驱动着呼吸过程，给我们的细胞提供能量。
Oxygen drives the process of respiration, which provides our cells with energy.
“这些鸟类保持着不可思议的氧气消耗水平，可能要比平常大10倍，而且他们一定要好几个小时地保持下去，”露西说，“这是空气动力上的新纪录。”
"These birds maintain an incredibly high oxygen consumption, one that might be maybe 10 times greater than resting, and they have to maintain that for... hours on end," Hawkes says.
这意味着它可以利用空气中的氧气进行燃烧，而不必随机携带氧气。
This means it can use oxygen from the atmosphere for combustion instead of carrying it onboard.
指甲上呈现出蓝色可能意味着身体没有足够的氧气。
Nails with a bluish tint can mean the body isn't getting enough oxygen.
月球的低重力也意味着由普通氢气和氧气组成水将会比重水更快的消失，可能导致在月球上水的氘含量。
The moon's low gravity also means that water composed of regular hydrogen and oxygen will escape quicker than heavy water, perhaps leading to a concentration of deuterium in the water of the moon.
充足的氧气，甲烷和氧化二氮当然可能预示着生命。
A very high excess of oxygen, methane, and nitrous oxides would certainly be suggestive of life.
更重要的是，空气在肺里只能流向一个方向，那就意味着它里面的氧气含量比人类肺里氧含量高。
What’s more, air only goes through the lungs in one direction, which means it has a higher oxygen content than the air in human
在远离阳光或氧气的地底深处，存在着一种地球上最为奇怪的生命体。
Buried deep underground, well away from sunlight or oxygen, there exists one of the strangest forms of life on this planet.
劳动着的肌肉能迅速燃烧氧气，放出废料二氧化碳。
Laboring muscles burn oxygen rapidly and pour out waste carbon dioxide.
更重要的是，空气在肺里只能流向一个方向，那就意味着它里面的氧气含量比人类肺里氧含量高。
What's more, air only goes through the lungs in one direction, which means it has a higher oxygen content than the air in human lungs.
我活着就是赖着一口氧气，氧气是你。
这意味着，所有的过程，涉及氧气，氧气包括用于细胞呼吸，导致形成自由基。
That means that all processes involving oxygen, including the oxygen used in cellular respiration, leads to the formation of free radicals.
之前认为，氧气最早出现的迹象是在2.3亿到2.4亿年前之前，那时侯正经历着“大氧化事件”
Previously, the earliest indications of oxygen had been from between 2.3 billion and 2.4 billion years ago when the "Great Oxidation Event" occurred.
这意味着我们必须携带我们自己的氧气，但这样一来，飞碟就要比我们原先设计的重得多。
We shall have to take our own oxygen with us, which means a much heavier flying saucer than we originally planned.
此感应器监视着在燃烧中未燃氧气的数量，当发动机里的燃料过多或过少，感应器会发送数据给汽车上的电脑。
The sensors monitor the amount of unburned oxygen in the exhaust and tells the car's computer when there is either too much or not enough fuel in the engine.
在游自由泳呼吸晚通常意味着你将得不到适当的氧气进入肺部。
Breathing late in freestyle usually means you'll not get the proper amount of oxygen into your lungs.
即使斗鱼做好水域溶解氧谷底，这并不意味着他们需要比其它鱼类的氧气。
Even though Bettas do well in waters low in dissolved oxygen, that does not mean they require less oxygen than other fish.
俄亥俄州克里夫兰市美国国家航空航天局格伦研究中心的杰弗里．兰迪斯说，火星环境干燥，而且大气中缺乏氧气，这意味着那里的铁没有生锈。
The dry conditions and lack of atmospheric oxygen mean that the stuff has not rusted, says Geoffrey Landis of NASA's Glenn Research Center in Cleveland, Ohio.
乳酸并不等同于肌肉缺氧。Joyner博士告诉我们：“第一个错误观念就是运动员在生成乳酸时即意味着他们不知何故没有足够的氧气了。”
Lactate is not synonymous with muscle hypoxia: "the first misperception is that somehow people don't have enough oxygen when they are making lactic acid."
乳酸并不等同于肌肉缺氧。Joyner博士告诉我们：“第一个错误观念就是运动员在生成乳酸时即意味着他们不知何故没有足够的氧气了。”
Lactate is not synonymous with muscle hypoxia: "the first misperception is that somehow people don't have enough oxygen when they are making lactic acid."
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