(sciences) preparation

production, creation

to produce, to create, to draw up, to prepare

teach; to instruct; give a lesson

instruction; teaching; school; lesson, class

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

science / a field of study

a visit by a student's guardians to observe the class