実験室: laboratory

截然:

最前: / 最善: the best

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

same (as before)

as it did before, still, as ... as ever

the best

still, as always, as usual, as ... as ever, same old story