单词	respiratory tract
释义	respiratory tract noun plural respiratory tracts : a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory system see lower respiratory tract, upper respiratory tract Word History First Known Use 1842, in the meaning defined above Medical Definition respiratory tract noun : a system of organs functioning in respiration and in humans consisting especially of the nose, nasal passages, pharynx, larynx, trachea, bronchi, and lungs : respiratory system see lower respiratory tract, upper respiratory tract
随便看	antipoverty antipredator antipredators antipredatory antiprism antiprismatic antiprisms antiprogressive antiprostate antiprothrombic antiproton antiprotons antipruritic antipruritics antipsychotic antipsychotics antipyics antipyreses antipyretic antipyretics antipyrin antipyrine antipyrines antiq antiquarian

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