The main function of the respiratory system is to provide passages and room for gaseous exchange.
呼吸系统的主要功用是提供空气到肺的通路及气体交换的场所。
Stoma (pl. stomata) One of a large number of pores in the epidermis of plants through which gaseous exchange occurs.
植物叶片表皮存在的数目众多的小孔，打开时允许气体自由出入进行交换。
Inordinately large doses in man may cause death by interference with gaseous exchange due to development of pulmonary edema.
用量过大，用药人因此产生肺水肿，干扰气体交换而导致死亡。
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