自己 じこ解凍 かいとうじゃなかったです
jikokaitōjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 自己解凍

1. Didn't defrost myself.; Didn't thaw it myself.

Past/Perfective
Negative
Polite
Casual Register
Computing