差別 さべつ侵食 しんしょくじゃなかったです
sabetsushinshokujanakattadesu

Noun
Desu Copula

The polite, past negative form of 差別侵食

1. Wasn't discriminatory erosion.; Wasn't encroaching discrimination.

Past/Perfective
Negative
Polite
Casual Register
Geology