常見例句雙語例句The invention provides a walking shielding air sac.一種學(xué)步保護(hù)氣囊。ip.comIn apes the hyoid attaches to a large pouch called an air sac, that makes sounds bigger and deeper.猿的舌骨依附於一個(gè)很大的喉囔,科學(xué)家稱之爲(wèi)氣囊,它可以讓聲音更大、更深沉。Homo erectus of a million years ago also likely had an air sac. But we don't – and nor did Neanderthals.一百萬年前的直立人很可能有氣囊,但現(xiàn)在的我們沒有,過去的尼安德特人也沒有。 返回 air sac