侵入 しんにゅう生物 せいぶつじゃなかったです
shinnyūseibutsujanakattadesu

Noun
Desu Copula

The polite, past negative form of 侵入生物

1. Wasn't an invasive species.; Wasn't an intruder.

Past/Perfective
Negative
Polite
Casual Register
Biology