交配 こうはい 隔離 かくりではありませんでした
kō hai gokakuridewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 交配後隔離

1. Was not post-mating isolated.; Was not kept separate after mating.

Past/Perfective
Negative
Polite
Formal Register