天然 放射 性 同位 体 じゃありませんでした tennenhōshaseidō itaija arimasendeshita
tennenhōshaseidō itaija arimasendeshita
Noun
, Desu Copula
The polite, past negative form of 天然放射性同位体
1. Was not a naturally occurring radioactive isotope.
Past/Perfective
, Negative
, Polite
, Terminal Form
Word Pronunciation
文
No variants available for this word.