常見例句用作名詞 (n.)Oxygen and carbon dioxide from the air enter through the stoma.氧和二氧化碳從空氣中進入氣孔。Within the center of the hurricane, downdraughts of dry air create a strangely calm area called the eye.在颶風(fēng)的中心，乾燥的下沉氣流創(chuàng)造了一片奇特的平靜區(qū)域，這就是風(fēng)眼。 返回 air-hole