英语翻译yawning takes place when people are bored or sleepy and

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/15 14:09:35

英语翻译
yawning takes place when people are bored or sleepy and serves the function of increasing alertness by reversing,through deeper breathing,the drop in blood oxygen levels that are caused by the shallow breathing that accompanies lack of sleep or boredom.Unfortunately,the few scientific investigations of yawning have failed to find any connection between how often someone yawns and how much sleep they have had or how tired they are.这一句话太长了..我把所有单词的意思都查了还是搞不懂意思,求高手给予标准的翻译.我暑假要去学的.

哈欠会在人们疲乏或者困的时候发生,服务于通过逆转（通过更深的呼吸）由于睡眠的缺少或疲乏引起的浅呼吸而导致的血液中氧气水平的下降来提高警觉的功能.不幸的是,少数的科学调查都没能就发现人们哈欠的频率与他们睡了多少或者他们有多疲乏之间的联系
总的来说,睡眠少了或者累了,就导致浅呼吸,浅呼吸会让血液中的氧气水平降低,然后人们会打哈欠,这是一个深呼吸过程,通过这个深呼吸来提高血液中氧气水平,哈欠就是服务于这么一个功能的.意思就是这样,句子太tm的绕了.你把（through deeper breathing）拿掉,然后从lack of sleep or boredom 倒着往前看容易一些
再问：谢谢，我正在考虑给谁分呢..貌似都可以呀

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