面心 めんしん立方 りっぽう構造 こうぞうじゃなかったです
menshinrippōkōzōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 面心立方構造

1. It wasn't face-centered cubic.

Past/Perfective
Negative
Polite
Casual Register
Geology