自然 しぜん放射 ほうしゃ増幅 ぞうふく こうではありません
shizen hōshazōfuku kōdewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 自然放射増幅光

1. It is not naturally amplified light.; It is not naturally radiating light.

Negative
Polite
Formal Register
Physics