神马作文网来个大神把这个句子里的所有的语法问题 句子结构都给我分析一遍 实在是看不懂了
来源：学生作业帮 编辑：神马作文网作业帮 分类：综合作业 时间：2024/11/18 01:14:51
来个大神把这个句子里的所有的语法问题 句子结构都给我分析一遍 实在是看不懂了
According to conventionaltheory, yawning takes place when people are bored or sleepy and serves thefunction of increasing alertness by reversing, through deeper breathing, thedrop in blood oxygen levels that are caused by the shallow breathing thataccompanies lack of sleep or boredom.
According to conventionaltheory, yawning takes place when people are bored or sleepy and serves thefunction of increasing alertness by reversing, through deeper breathing, thedrop in blood oxygen levels that are caused by the shallow breathing thataccompanies lack of sleep or boredom.
主语是yawning谓语是takes place ...and serves...
through deeper breathing这部分是插入语,先不看它.reverse the （）drop...意为逆转血液含氧量下降.that are...这部分是原因状语,解释为什么血液含量下降.现在再看through deeper breathing,为方式状语,表明通过深呼吸来提高血液含氧量.
就是关于打哈欠的一个原因的分析了.单词不懂的话自己查吧.
through deeper breathing这部分是插入语,先不看它.reverse the （）drop...意为逆转血液含氧量下降.that are...这部分是原因状语,解释为什么血液含量下降.现在再看through deeper breathing,为方式状语,表明通过深呼吸来提高血液含氧量.
就是关于打哈欠的一个原因的分析了.单词不懂的话自己查吧.