十二指腸 じゅうにしちょうじゃなかったです
jūni shichōjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 十二指腸

1. Wasn't duodenum.; Wasn't the duodenum.

Past/Perfective
Negative
Polite
Casual Register
Anatomy