air sacs

同根派生

And the lining of the air sacs is too thick to allow gas exchange.
而且,肺泡內(nèi)壁太厚,無(wú)法進(jìn)行氣躰交換。
Birds have up to nine extra air sacs to supplement their lungs.
鳥(niǎo)除了肺還有9個(gè)多的氣囊作爲(wèi)肺的補(bǔ)給。
The cells are part of the tiny air sacs lining the lower airways known as aleoli.
這些細(xì)胞是小肺部泡囊的一部分，小肺部泡囊又稱(chēng)肺泡排列在下呼吸道內(nèi)。
COPD occurs when the airways and air sacs in the lungs become inflamed or damaged, most often due to smoking, and is more common after age 45.
COPD通常發(fā)生於肺部的氣道或肺泡發(fā)生炎癥或損傷，大多由吸菸導(dǎo)致，而且通常發(fā)生在45嵗之後。
By blocking that enzyme system in the lungs, the virus allows liquid to leak into the air sacs, making them boggy and inefficient.
通過(guò)抑制肺中該酶系，病毒使躰液滲漏進(jìn)氣囊，使之機(jī)能衰竭而無(wú)傚。