質量保存の法則

しつりょうほぞんのほうそく

noun

•

law of conservation of mass

質	substance, quality, matter, temperament
量	quantity, measure, weight, amount, consider, estimate, surmise
保	protect, guarantee, keep, preserve, sustain, support
存	exist, suppose, be aware of, believe, feel
法	method, law, rule, principle, model, system
則	rule, follow, based on, model after