অনুসন্ধান করুন
Air sac
01
any of the membranous air-filled extensions of the lungs of birds
02
any of the thin-walled extensions of the tracheae of insects
03
a tiny sac for holding air in the lungs; formed by the terminal dilation of tiny air passageways
উদাহরণ
নিকটবর্তী শব্দ
