凍結 とうけつ融解 ゆうかいじゃなかったです
tōketsuyūkaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 凍結融解

1. Wasn't freezing and thawing.; Didn't freeze and thaw.

Past/Perfective
Negative
Polite
Casual Register