At low magnification, the outline of the comblike alveolar cavities, the alveolar sacs, the alveolar ducts, the respiratory bronchioles and the terminal bronchioles were described.是什么意思_At low magnification, the outline of the comblike alveolar cavities, the alveolar sacs, the alveolar ducts, the respiratory bronchioles and the terminal bronchioles were described.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句