屈折 くっせつ法則 ほうそくじゃありませんでした
kussetsuno hōsokujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 屈折の法則

1. Was not the law of refraction.; Was not a refraction rule.

Past/Perfective
Negative
Polite
Terminal Form