放射 ほうしゃ せん生物 せいぶつ がくではありません
hōshasenseibutsugakudewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 放射線生物学

1. Is not radiobiology.; Is not a radiobiologist.

Negative
Polite
Formal Register