陥かん没ぼつ呼こ吸きゅうMeaningsNoun1. retractive breathingKanji used陥cave in没go under呼call吸suckComposed of陥かん没ぼつcave-in; collapse; sinking; depression (e.g. of the skull); subsidenceNoun呼こ吸きゅうbreathing; respiration; knack; trick; secret (of doing something); harmony; balance; synchronization; accord; short interval; …Noun