交配 こうはい ぜん隔離 かくりじゃなかったです
kō haizenkakurijanakattadesu

Noun
Desu Copula

The polite, past negative form of 交配前隔離

1. Was not pre-mating isolated.; Was not isolated before mating.

Past/Perfective
Negative
Polite
Casual Register