oxygen

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大学英语四级考研英语托福 TOEFL英语专业八级英语专业四级

oxygen 是什么意思

中文释义

n. 氧

[化] 氧O-2

英文释义

n. a nonmetallic bivalent element that is normally a colorless odorless tasteless nonflammable diatomic gas; constitutes 21 percent of the atmosphere by volume; the most abundant element in the earth's crust

oxygen 的真实例句

以下例句摘自真实英文文章，看看 oxygen 在自然语境里怎么用：

They can survive up to 18 minutes without oxygen, and they seem to prefer low-oxygen environments.

—— Naked Mole Rats Usually Duke It Out to Choose Their Next Queen. But These Unusual Rodents May Be Capable of More Peaceful Transitions of Power

Baby Amalia, as Mukherjee called her, had been sent to a San Antonio hospital with critically low oxygen levels.

—— The Return of Family Detention

Negative blood oxygen level dependence in the rat: a model for investigating the role of suppression in neurovascular coupling.

—— Brainwide blood volume reflects opposing neural populations

Ozone is a form of oxygen that absorbs UV radiation, and its presence in the stratosphere protects us from the sun’s rays.

—— This Earth Day, three experts share tips on how to feel hopeful about the environment

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