自己 じこ分泌 ぶんぴつじゃありませんでした
jikobumpitsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 自己分泌

1. It wasn't self-secreted.; It wasn't naturally produced.

Past/Perfective
Negative
Polite
Terminal Form
Biology
Medicine