acid reflux;  bile reflux;  pyrosis;  gloating;  gratification;  satisfaction
 heeding;  paying attention;  bearing in mind
 heeding;  paying attention;  bearing in mind
 staying behind;  remaining;  residual
 overseas student;  exchange student
 farewell to those staying behind
 studying abroad;  studying at a different school, etc. (usu. for a specific purpose)
 repeating a year (at school);  staying in the same class for another year
 residing (esp. abroad);  staying;  living
 fraction (e.g. in distillation);  cut
 remaining in office;  staying in office;  remaining at one's post
 student repeating the same class
 refinement (e.g. of alcohol);  rectification
 fractional distillation;  fractionation
 studying abroad in Japan;  staying in Japan
 directly distilled;  straight
 Examination for Japanese University Admission (for international students);  EJU
 crude alcohol;  roughly distilled alcohol