自然 しぜん放出 ほうしゅつじゃありませんでした
shizenhōshutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自然放出

1. Wasn't released naturally.; Wasn't emitted naturally.; Wasn't discharged naturally.

Past/Perfective
Negative
Polite
Terminal Form
Physics