我祖母呼吸困难，因此她需要靠氧气罐辅助。
My grandmother has trouble breathing, so she has an oxygen tank.
如果我需要水，我就得自己造。幸好，我知道造水的配方：来点儿氢气，加点儿氧气，再把它们点燃。
If I want water, Ill have to make it from scratch. Fortunately, I know the recipe: Take hydrogen. Add oxygen. Burn.
我船机舱失火，需要氧气面罩和泡末灭火器等消防设备。
My engine-room is on fire, and requires breathing apparatus, fire extinguishers, etc, to fight the fire.
我认为你的大脑被密封在了聚脂薄膜里，急需要补充氧气。
I think your brain is sealed in mylar and seriously need oxygen.
如果我需要水，我就得自己造。幸好，我知道造水的配方：来点儿氢气，加点儿氧气，再把它们点燃。
If I want water, I'll have to make it from scratch. Fortunately, I know the recipe: Take hydrogen. Add oxygen. Burn.
如果我需要水，我就得自己造。幸好，我知道造水的配方：来点儿氢气，加点儿氧气，再把它们点燃。
If I want water, I'll have to make it from scratch. Fortunately, I know the recipe: Take hydrogen. Add oxygen. Burn.
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