逍遥黑猫
口腔(n)spaceinsidethemouth;oralcavity相关解释:oralcavity,mouthcavity,nonnasality,cavumoris,buccalcavity,mouth例句用法:我的口腔出现了溃疡。Mymouthhasanulcer.唾液是由口腔的唾液腺分泌出来的.Salivaissecretedbyglandsinthemouth.开的发音时，舌头放低并放平，口腔敞开，正如bath一词中的a和father中的a发音一样时。用于元音发音Pronouncedwiththetongueplacedlowandflatandwiththeoralcavitywideopen,liketheainbathwhenpronouncedliketheainfather.Usedofvowels.
