首先，我们需要呼吸是因为氧气是我们身体的必需品。氧气是我们身体细胞生存所必需的，它通过血液循环分配到全身各个部位，为我们的身体提供能量和支持各种生命活动。如果我们不呼吸，我们的身体将无法获取足够的氧气，这将导致我们的细胞无法正常运作，最终导致生命的终结。其次，呼吸的过程包括吸入和呼出。当我们吸气时，我...
为什么我们需要呼吸Why Do We Need to Breathe 92 2023-04 3 人体是怎样消化食物的?上集 How does the human body digest food 74 2023-04 4 人体是怎样消化食物的? 下集 How does the human body digest food 56 2023-04 5 奇妙的声音:了解声音的产生和传播The Wonderful Sound ...
12. Why do we need to drink water? 13. Why do some people have a fear of flying? 14. Why do we feel hungry? 15. Why do some people have a fear of enclosed spaces? 16. Why do we need to breathe? 17. Why do some people have a fear of thunderstorms? 18. Why do we have ...
解析 1.此处用动词不定式表目的。 2.Why not do sth.? 为什么不做某事? 3.sth. need doing 需要(被)做某事 4.此句为一般现在时,主语Plants为复数,故用动词原形。 5.此处用不定式作后置定语修饰something。 1.To breathe;2.plant;3.watering;4.cover;5.to eat.反馈 收藏 ...
百度试题 结果1 题目( A )1.-is air important?-Because we need it to breathe. A. Why B. What C. How 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
We propose that the alveolar fluid is an essential element of the air-blood barrier. Therefore, it is appropriate to refer to this barrier as being formed by four plies, namely (1) the thin fluid layer covering the apical membrane of the epithelial cells, (2) the epithelial cell layer, ...
aDream, we being to old 梦想,我们是对老 [translate] avolley 通过球 [translate] astrawberry body polish 草莓身体擦亮剂 [translate] aBest Round 正在翻译,请等待... [translate] ado you not have anymore? 您是否不再有? [translate] a公司推出 The company promotes [translate] a可不可以可不...
Passage Two Why do we have two nostrils?我们为什么需要两个鼻孔?We have two nostrils (鼻孔), and we need both of them to live.Scientists found out about something called the nasal cycle(鼻期). When we breathe(呼吸), each of our nostrils takes turns to get congested().As a result, in...
Why,its Bill,as I live and breathe!哎呀,原来是比尔啦! Why,he is the one of all others I have wanted to see.哎呀,他就是我最想见的人! why用法例句 1、You flatter yourself. Why would we go to such ludicrous lengths? 你真自以为是。我们为什么要费那么大的力气? 2、Why are Geography, Dr...