植物吸收氧气。
Fish take in oxygen through their gills.
鱼用鳃吸取氧气。
All life depends ultimately on oxygen.
一切生命归根到底都要依赖氧气。
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。
Ozone is a highly reactive form of oxygen gas.
臭氧是一种高度活跃的氧气形态。
Ozone is produced by the reaction between oxygen and ultraviolet light.
臭氧是氧气与紫外线发生化学反应而产生的。
Several chemicals have displaced the oxygen.
有几种化学物质取代了氧气。
Without oxygen, the brain is damaged quickly.
没有氧气，大脑很快就会受损。
To bum, wildfires require the right conditions, fuel, oxygen and heat.
为了燃烧，野火需要合适的条件，燃料，氧气和热量。
You breathe less when you sleep, so you get less oxygen.
你睡觉时呼吸更少，所以你得到的氧气更少。
Whales carefully conserve their oxygen when underwater in a couple of ways.
鲸鱼在水下以几种方式小心地保存它们的氧气。
When people don't get enough oxygen, they often begin to gasp for air.
当人们得不到足够的氧气时，常常就会开始喘气。
Trees help keep the air clean and they make oxygen that we can breathe.
树木有助于净化空气，释放出可供我们呼吸的氧气。
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。
Again the implication is that yawning has little or nothing to do with oxygen.
这再次暗示着打哈欠与氧气几乎没有关系。
They also have a greater capacity than land animals to store oxygen in their blood.
它们在血液中储存氧气的能力也比陆栖动物强。
How does having more oxygen in their blood help them stay underwater longer?
血液中含有更多的氧气这一特点是如何帮助它们在水下待得更久的呢？
Because she has three or four lungs which provide plenty of oxygen for both twins.
因为她有三四个肺，可以为两个双胞胎提供充足的氧气。
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。
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。
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。
The higher one climbs, the less oxygen there is in the air.
爬得越高，空气中的氧气就越少。
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。
Air cannot penetrate between the soil particles, making the soil oxygen-poor.
空气不能穿透土壤颗粒，这使得土壤中缺少氧气。
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