かく磁気 じき共鳴 きょうめいじゃなかったです
kaku jikikyōmeijanakattadesu

Noun
Desu Copula

The polite, past negative form of 核磁気共鳴

1. Wasn't MRI.; Wasn't NMR.

Past/Perfective
Negative
Polite
Casual Register