一分钟英语趣问答131

What biological function does yawning have? Is it : 1) To take in more oxygen, 2) to get rid of carbon dioxide from our body, 3) No one really knows?

译句: 打哈欠有什么生理功能?1). 吸收更多的氧气,2). 排出体内的二氧化碳,3). 没有人真正知道.(答案附在文末)


biological/ˌbaɪə'lɑdʒɪkl/   adj. 生物学的, 生物的

[惯用语]:

biological clock 生物钟

biological sample 生物标本

biological chemistry 生物化学

biological engineering 生物工程

biological mother 亲生母亲

[例句]:

• I just found my biological mother's family.

我刚找到我生母的家人。

• Biological engineering is a vibrant, challenging emerging industry.

生物工程是一门充满朝气、充满挑战的新兴产业。

• We have studied the biological clock of human body for a century.

对于人体生物钟的研究已经有一个世纪了。


function/'fʌŋkʃən/   n. 功能, 作用, 职责;vi. 工作, 运行, 起作用

[例句]:

Breathing is an automatic function of the body.

呼吸是身体的一种无意识的功能。

You will be assigned a function.

你会被指派一项任务。


yawn /jɔn/  vi. 打呵欠, 张开; n. 呵欠

[例句]:

• I felt so sleepy I couldn't stop yawning.

我感到很困,止不住地打呵欠。

• A great gap yawned between the rocks.

在岩石间有个大裂缝。


oxygen/'ɑksɪdʒən/   n. 氧, 氧气

[惯用语]:

oxygen bar 氧气吧

pure oxygen 纯氧

oxygen content 氧含量

oxygen consumption 耗氧量

[例句]:

• Water is a compound of hydrogen and oxygen.

水是氢和氧的化合物。

• Your brain was almost out of oxygen.

你大脑中的氧气几乎被耗尽。


carbon dioxide n. 二氧化碳

[例句]:

• Humans take in oxygen and breathe out carbon dioxide.

人吸入氧气,呼出二氧化碳。

• Plants absorb carbon dioxide from the air and moisture from the soil

植物从空气中吸收二氧化碳并从土壤中汲取水分。


答案; 3) No one really knows.


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