体積 たいせきエネルギー密度 みつどでしょう
taisekienerugiimitsudodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 体積エネルギー密度

1. Volume energy density, likely.; Probably volume energy density.

Polite
Presumptive
Conjecture