魏晋 ぎしん南北朝 なんぼくちょう時代 じだいでしょう
gishinnambokuchōjidaideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 魏晋南北朝時代

1. Probably the Wei, Jin, Southern and Northern Dynasties period.

Polite
Presumptive
Conjecture