植物吸收氧气。
She was muzzled with an oxygen mask and tethered to an IV.
她被戴上了氧气面罩并输上了静脉点滴。
Burning fossil fuels uses oxygen and produces carbon dioxide.
燃烧化石燃料消耗氧气并产生二氧化碳。
If headaches only occur at night, lack of fresh air and oxygen is often the cause.
如果头痛只发生在晚上，缺少新鲜空气和氧气常常是其原因。
If all the coronary arteries are free of significant obstructions, all parts of the heart will receive equal amounts of oxygen.
如果冠状动脉没有重大堵塞，心脏的各个部位会收到等量的氧气。
The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent.
这种药增加血液里的红细胞数量，将氧气吸收量提高百分之十。
The explosive mixture in a rocket consists of both a fuel and a supply of oxygen.
火箭中的爆炸性混合物包括燃料和氧气供应。
Because early Earth lacked oxygen in its atmosphere, it also lacked a protective ozone barrier.
因为早期的地球大气中缺乏氧气，所以也缺乏起保护作用的臭氧层屏障。
One method is invasive ventilation. A second method involves blowing oxygen into the lungs through a mask.
一种方法是有创通气。第二种方法是通过面罩将氧气吹入肺部。
Because they lack oxygen, marsh sediments are high in sulfides that are toxic to most plants.
由于它们缺乏氧气，沼泽沉积物中的硫化物含量很高，而硫化物对大多数植物都有毒。
One of the limiting factors in human physical performance is the amount of oxygen that is absorbed by the muscles from the bloodstream.
限制人体体能表现的因素之一是肌肉从血液中吸收的氧气量。
The reconstructed mammoth hemoglobin could deliver oxygen at colder temperatures than the human form of the protein could handle.
重组的猛犸象血红蛋白可以在比人类血红蛋白更低的温度下输送氧气。
Bacteria that used oxygen produced by photosynthesis further altered the atmosphere to what we find today.
有的细菌利用光合作用所产生的氧气，进一步改变了大气层，使其成为今天的样子。
Other planets in our solar system lack the oxygen atmosphere that helps explain why life exists on Earth.
我们太阳系的其他行星缺乏氧气大气层，这有助于解释为什么地球上存在生命。
Phytoplankton live at the ocean surface, where they pull carbon dioxide into the ocean while giving off oxygen.
"浮游植物生活在海洋表面，在那里他们把二氧化碳释放到海里，同时放出氧气。
When your mind is dull, alternate nostril breathing brings equal amounts of oxygen to both sides of the brain for improving brain function.
当你头脑迟钝时，交替鼻孔呼吸给大脑两边带来等量的氧气，以改善大脑功能。
This gas is hydrogen sulfide, rises up and mixes with oxygen in the underground water that sits in the cracks and fissures in the limestone.
这种气体是硫化氢，上升后与石灰岩裂缝中地下水的氧气混合。
The weakened fall leaf then becomes vulnerable to the highly destructive effects of the oxygen created by the excited chlorophyll molecules.
活跃的叶绿素分子产生的氧气破坏性强，秋天衰弱的树叶随后变得更容易受到影响。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
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。
He's got his oxygen on, and the portable tank next to him on the rug like a faithful dog.
他已戴上氧气罩，旁边的便携式氧气罐就像一只忠诚的狗一样躺在地毯上。
Something in addition to the iron on Earth's surface must have absorbed much of the oxygen produced by plant life.
除了地球表面的铁以外，一定有什么东西吸收了植物产生的大量氧气。
To do CPR, you press on the sick person's chest so that blood moves through the body and takes oxygen to organs.
做心肺复苏时，你要按压病人的胸部，使血液在体内流通，将氧气输送到各个器官。
This is my report: One of the major problems in the Biramichi river is that the level of oxygen in the water is too low.
这是我的报告：比拉密契河的主要问题之一是水中的氧气含量太低。
If you take the jaws of a powerful magnet and pour liquid oxygen in between the jaws, the oxygen will stop and will sit in the jaws.
如果你用一块具有较强磁力的颚型磁铁，然后把液氧倒在颚型磁铁的中间，氧气会停在颚型磁铁中。
He reasoned that iron took on more or less oxygen in response to conditions in the kimberlitic magma itself—mainly in response to heat and the available oxygen.
他推断，铁吸收或多或少的氧气是由于金伯利岩浆本身的条件——主要是由于热量和可用的氧气。
Hemoglobin, as you know, is an oxygen carrier and so red blood cells concentrate in bags of hemoglobin which circulate in your blood and they carry oxygen.
如你所知，血红蛋白是氧气的载体，所以红细胞集中在血红蛋白的袋子里，血红蛋白在血液中循环，它们携带氧气。
It's the way the whale's blood carries oxygen to the rest of its body.
这是鲸鱼的血液将氧气输送到身体其他部位的方式。
During sleep the automatic metabolic system is less responsive to carbon dioxide levels and oxygen levels in the blood.
在睡眠期间，自动的新陈代谢系统对血液中二氧化碳和氧气的含量反应并不灵敏。
You could run the reaction, take solid iron and gaseous oxygen, form iron oxide, measure the heat of formation of it, and tabulate it.
你可以进行一个反应，用固态铁和氧气生成氧化铁，测量它生成的热，列成表格。
Richards had defied doctors by using an oxygen tent to recover from his hamstring injury ahead of schedule to play in the showpiece last Saturday.
理查兹无视医生的建议，在上周六的比赛中提前使用氧气帐篷从肌腱伤势中恢复。
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