英语释义
1. one of the usually paired compound saccular thoracic organs that constitute the basic respiratory organs of an air-breathing vertebrate
2. any of various respiratory organs of invertebrates
3. a device enabling individuals abandoning a submarine to rise to the surface
4. a mechanical device for regularly introducing fresh air into and withdrawing stale air from the lung respirator — compare iron lung
5. either one of the two organs that people and animals use to breathe air
6. either of two organs in the chest that are like bags and are the main breathing structure in animals that breathe air
7. one of the usually two compound saccular organs that constitute the basic respiratory organ of air-breathing vertebrates, that normally occupy the entire lateral parts of the thorax and consist essentially of an inverted tree of intricately branched bronchioles communicating with thin-walled terminal alveoli swathed in a network of delicate capillaries where the actual gaseous exchange of respiration takes place, and that in humans are somewhat flattened with a broad base resting against the diaphragm and have the right lung divided into three lobes and the left into two lobes
8. a mechanical device for regularly introducing fresh air into and withdrawing stale air from the lungs respirator — see iron lung