释义 n.吞咽;咽下 实用短语deglutition pneumoniablockade in deglutition吞食梗塞abnormal deglutition误咽absent deglutition无吞咽deglutition reflex吞咽反射erroneous deglutition误咽blockage in deglutition吞食梗塞function of deglutition吞咽功能mastication and deglutition咀嚼和吞咽