予備 電源 ではありませんでした yobidengendewārimasendeshita
yobidengendewārimasendeshita
Noun
, Desu Copula
The polite, past negative form of 予備電源
1. Was not a backup power source.; Was not an emergency power source.
Past/Perfective
, Negative
, Polite
, Formal Register
Word Pronunciation
文
No variants available for this word.