幼若 ようじゃく 反応 はんのうじゃなかったです
yōjakuka hannōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 幼若化反応

1. Wasn't rejuvenation.; Wasn't a youthful transformation.

Past/Perfective
Negative
Polite
Casual Register