えすTAP てぃうえうぴい細胞 さいぼうじゃなかったです
esutiueu pii saibōjanakattadesu

Noun
Desu Copula

The polite, past negative form of STAP細胞

1. Wasn't stem cells.

Past/Perfective
Negative
Polite
Casual Register
Biology