The clinician then passes a smaller-caliber endoscope,4.9 mm in diameter, through the nose, pharynx and throat.是什么意思_The clinician then passes a smaller-caliber endoscope,4.9 mm in diameter, through the nose, pharynx and throat.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句