air sacs
气囊：鸟类和爬行动物呼吸系统中的气囊状结构
常用释义
英式发音
美式发音
基本释义
- 气囊：鸟类和爬行动物呼吸系统中的气囊状结构，用于储存空气和帮助呼吸。
例句
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1·The lungs consist of millions of tiny air sacs.肺包含数百万个小肺泡。来源: 《柯林斯英汉双解大词典》
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2·Anatomically precise support for the heel and ankle, air sacs for extra spring and comfort each year bring apparent new refinements.在结构上来说，对脚跟和脚踝的恰好支撑，还有气囊带来的额外弹性和舒适度，每年都会有明显的改进。
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3·Once it gets in a person's lungs, the alveoli, or air sacs that take in oxygen, swell and fill up with fluid.一旦病原体进入肺部，肺泡(类似吸入氧气的气囊)就会肿胀并充满积液。
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4·The air sacs are surrounded by a dense network of minute blood vessels, or capillaries, which connect to the heart.这些气囊被连接着心脏的浓密的毛细血管网包围着。
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5·Instead, birds have a complex network of air sacs that work like bellows to pump a constant stream of air through the lungs.相反地，鸟类有一个复杂的肺泡结构，就像一个风箱把源源不断的空气打进肺里。
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6·Yep, Plus the air sacs mean that birds weigh less than you'd expect, which makes flying less costly in terms of energy.是的。加上肺泡的话就说明鸟比我们想象的要轻，那样飞行就不会那么耗能量。
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7·This showed that noises made from tubes without air sacs, the tubes mimicking the modern vocal tract, were much clearer.实验显示，没有气囊的管子发出的声音更为清晰，而这种管子模拟的正是现代人类的声道。
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8·This week amniotic fluid is helping the air sacs in your baby's lungs get ready for breathing as she practices inhaling and exhaling.这周，当婴儿羊水会帮助肺部的肺泡为慢慢的呼吸做好准备。
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9·This week, amniotic fluid is helping the air sacs in your baby's lungs get ready for breathing as she practices inhaling and exhaling.这周，当婴儿羊水会帮助肺部的肺泡为慢慢的呼吸做好准备。
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10·More sounds meant more information could be Shared, giving those who lacked air sacs a better chance of survival in a dangerous world.声音增多意味着可以分享的信息增多，这使得那些没有气囊的祖先在危险环境里的生存几率大大增加。