physics, the physical aspects of a phenomenon or a system

(formal) first-person singular pronoun: I, me

subject (at school); course / dividing into several categories; individual items

私: I; first person pronoun

私たち: us; we

triumphant, proud / skilled

strong point / triumph / regular customer

(polite) first-person singular pronoun: I, me

(formal) we, us

Alternative spelling of 私達 (“we; us”)