a laboratory

enter

put on or wear on the upper body or the entire body / take a crime on oneself

white coat

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

a piece of research, a study, investigation

to research, to study

to go in; to come in / 要る: to be necessary, to be required