sponge, the artificial or natural material used to soak up water

ポン酢: ponzu: a sour citrus-based sauce usually made from the juice of the 橙(だいだい) (daidai), an Asian variety of bitter orange

Alternative form of ガシャポン (“capsule toy machine”)

Euclid's Elements

食う, 喰う: (vulgar) to eat; to make a living; to tease, to make light of; (of an insect) to bite or sting

空: the sky, empty air

空転: idling

空転: to idle

区域: area, district

pure / honest / straight-forward