脱水 だっすい 酵素 こうそじゃありませんでした
dassuisokōsojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 脱水素酵素

1. Was not a dehydrogenase.; Was not a dehydratase.

Past/Perfective
Negative
Polite
Terminal Form