ナチュラルキラー てぃう細胞 さいぼうでしょう
nachurarukirātiusaibōdeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of ナチュラルキラーT細胞

1. Probably natural killer T cells.

Polite
Presumptive
Conjecture
Biology