air sac
معنی کامل و مثالها
● کیسهی هوا، بادکنک پرندگان
ریشه و کاربرد
ریشه
From English 'air' + 'sac'. First known use in the 19th century.
مثال
- Birds have air sacs that connect to their lungs.
- The air sac in the bird's body helps it to fly.
- The doctor explained the function of the air sac.
ترکیبهای رایج
Bird's air sac Air sac function Respiratory air sac
تعریف انگلیسی
noun
- a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
- any of the thin-walled extensions of the tracheae of insects
- any of the membranous air-filled extensions of the lungs of birds