立方りっぽう最密さいみつ充填じゅうてん構造こうぞうじゃなかったです
rippōsaimitsujūtenkōzōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 立方最密充填構造

1. Wasn't the densest packing structure.

Past/Perfective
Negative
Polite
Casual Register
Geology