upper respiratory tract
短语上呼吸道
词形变化
upper respiratory tracts
复数
upper respiratory tracts
释义与例句
n.
-
1.
The part of the respiratory tract consisting of the nose, oral cavity, pharynx and larynx.
医学 -
2.
The part of the respiratory tract consisting of the nose, oral cavity, pharynx, larynx and trachea.
医学