英语释义
1. the muscular tubular passage of the vertebrate digestive and respiratory tracts extending from the back of the nasal cavity and mouth to the esophagus — compare nasopharynx, oropharynx
2. a differentiated part of the digestive tract in some invertebrates that may be thickened and muscular, eversible and toothed, or adapted as a suctorial organ
3. the part inside your mouth where the passages of the nose connect to your mouth and throat
4. a tube extending from the back of the nasal passages and mouth to the esophagus that is the passage through which air passes to the larynx and food to the esophagus
5. the part of the digestive and respiratory tracts situated between the cavity of the mouth and the esophagus and in humans being a conical musculomembranous tube about four and a half inches (11.43 centimeters) long that is continuous above with the mouth and nasal passages, communicates through the eustachian tubes with the ears, and extends downward past the opening into the larynx to the lower border of the cricoid cartilage where it is continuous with the esophagus — see laryngopharynx, nasopharynx, oropharynx