school building

背向: disobeying and obeying / 背甲: the shell of a turtle or tortoise / 廃坑, 廃鉱: an abandoned mine / 配光: the distribution of light around a room

廃坑, 廃鉱: to abandon a mine / 廃校: to close a school / 廃興: to fall and rise

Kyūjitai form of 小学校 (“elementary school; first school”)

硬口蓋音: palatal consonant

(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