assistant, helper / an assistant to a professor (but not a professor themselves)

(ancient China) The title of one type of lady-in-waiting. During the Zhou Dynasty, this position was thought to be responsible for protocol and etiquette, changing during the Han Dynasty to handle the records of the inner palace.

(grammar) a case particle (non-free particle following an uninflected word, with grammatical functions akin to noun or pronoun cases in other languages)

Clipping of 女子高校生 (joshi kōkōsei, “high-school girl”).

a student of a women-only school / a drop-in replacement homophone for high school girl (女子高生), used by the porn industry to circumvent child porn laws

(filler) kinda; like; how to say it

公差: common difference / 巧詐: / 交差, 交叉: crossing, intersection; (genetics) crossover / 光差: / 考査: quiz, test; consideration

交差, 交叉: cross, intersect / 考査: to consider; to put to a test

光年: (astronomy) light year

光年: (astronomy) light year / 行年: one's age / 後年: years to come, the future / 荒年: a year of poor harvest / 高年: old age