n. either of two saclike respiratory organs in the chest of vertebrates; serves to remove carbon dioxide and provide oxygen to the blood
词态变化
复数形式:lungs
现在分词:lunging
常见例句
1
It originates in the same way as the lungs of air-breathing vertebrates, and in the adult may retain a tubular connection with the pharynx or esophagus. A sac or bladder full of air in an animal or plant
2
as, a cell or minute cavity in the walls of the air tubes of the lungs
3
It is closed above and open below, and has its open end plunged into water.
4
n a bronchodilator (trade names Ventolin or Proventil) used for asthma and emphysema and other lung conditions
