蒸かし, 蒸し, 蒸: steaming: stem noun form of verb 蒸かす, 蒸す (“to steam something”) / 深し: (archaic) sentence-final form of adjective 深い (“deep”) / 不可視: (physics, optics) invisible, unable to be seen

孵化器: incubator

getting involved more than necessary

to get involved more than necessary

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

question, problem on homework etc. / a question; a matter (of time etc.) / a problem (something that needs to be dealt with); a trouble / an issue; a matter

deep, profound

staying up late