自然 しぜん放射 ほうしゃ増幅 ぞうふく こうでしょう
shizen hōshazōfuku kōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 自然放射増幅光

1. Naturally amplified light, probably.; Possibly naturally amplified light.

Polite
Presumptive
Conjecture
Physics