All life depends ultimately on oxygen.
一切生命归根到底都要依赖氧气。
I have been on oxygen for several months.
我带氧气罩有几个月了。
Draw on oxygen mask through the nearest agent channel to the fire spot.
戴上氧气面罩，从最近的紧急通道到达火场。
The effect of aluminium on oxygen content of molten cast iron was studied.
研究了铝对铁水中氧含量的影响。
The influences of hydrologic condition and air pressure on oxygen transfer ability were studied.
研究了水力条件和曝气压强对氧传质能力的影响。
There's oxygen on Rhea, but aliens? Don't hold your breath.
土卫五上有氧气，其他星球呢？不要屏住呼吸哦。
They breathe through uncomfortable respirators or carry heavy oxygen tanks on their backs.
他们或通过防毒面罩，或携带沉重的氧气瓶进行呼吸。
An ideal fuel, on the other hand, should lack oxygen.
从另一个方面来讲，一种理想化的燃料是不含氧的。
Fuel cells to generate electricity operate on hydrogen and oxygen.
发电的燃料房就是使用氢和氧。
带上氧气面罩。
I woke up to see an oxygen mask on my nose.
我醒来时看到一个氧气面罩对我的鼻子。
As there is no oxygen or water on the moon, living there would be difficult.
由于月球上没有水和氧气，所以在那里难以生存。（加了“所以”二字）
It is bacteria that have generated the oxygen we breathe on earth.
正是细菌生产出我们在地球上呼吸的氧气。
They thought they might (14) ____ because there's not enough food, (15) ____or oxygen on Mars.
他们认为他们可能(14)____，因为火星上没有足够的食物、(15)____或氧气。
It is bacteria that have generated the oxygen we breathe on earth.
我们在地球上呼吸的氧气是细菌产生的。
And well-behaved little Qinan lay quiet in bed, his head put on an oxygen mask.
乖巧的小钦安静地躺在病床上，头部戴上了一个氧气面罩。
I live on a mouthful of oxygen, the oxygen is you.
我活着就是赖着一口氧气，氧气是你。
We turned the temperature control on our oxygen system up to maximum .
我们把氧气装置上的温度控制器调到最高。
Oxygen flux and lance position have important effect on penetrating depth.
氧气流量、枪位高度对穿透深度有重要影响。
How do you maintain oxygen supply on the ISS?
在空间站怎样获得氧气供应？
Put your oxygen mask on before assisting others.
戴好自己的氧气罩之后再去帮别人。
Study on selective-oxidation kinetics and effect of oxygen partial pressure on oxidation process was conducted.
研究了选择性氧化过程动力学及氧分压对氧化过程的影响。
The previous experimental work on atomic oxygen collision had been limited.
电子与氧原子碰撞的实验方面的工作是有限的。
Plants are awakened first, to help reseed the Oxygen and so on and so forth.
植物会最先觉醒，去帮助再植入氧气，以及其他进程。
The effect of oxygen on the deposition of diamond has also been studied.
同时探讨了氧对金刚石沉积的影响。
This is why airlines ask you to put on your oxygen mask first.
这就是为什么航空公司要求你首先带上氧气面罩。
There was 75.75% increase on chemical oxygen demand (COD).
生化耗氧量养殖初、末期相比较升高了75.75%；
Conclusion: Dissoluble oxygen have an important influence on penicillin fermentation.
结论：溶解氧对青霉素发酵有重要影响。
Conclusion: Dissoluble oxygen have an important influence on penicillin fermentation.
结论：溶解氧对青霉素发酵有重要影响。
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