epiglottisWiktionary 原文构词拆分epi-前缀“upon; above”Above in location or position. · Upon, atop, directly on top of in terms of position.+glottis词根/词干演变路径（由近及远）英语书面借自 ←新拉丁语 epiglōttis源自 ←古希腊语 ἐπῐγλωττῐ́ς “valve covering the larynx”词源说明Borrowed from New Latin epiglōttis, from Ancient Greek ἐπῐγλωττῐ́ς (epĭglōttĭ́s, “valve covering the larynx”), from ἐπῐ- (epĭ-, “upon, over”) + γλωττῐ́ς (glōttĭ́s, “glottis, mouth of the windpipe”); equivalent to epi- (“upon; above”) + glottis.释义（英文）名词 Noun(anatomy) A cartilaginous organ in the throat of terrestrial vertebrates covering the glottis when swallowing to prevent food and liquid from entering the trachea, and in Homo sapiens also a speech