てんじくねずみじゃないです
天竺鼠じゃないです
tenjikunezumijanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of てんじくねずみ

1. It's not a guinea pig.; I'm not a guinea pig.

Negative
Polite
Casual Register
Usually Written in Kana