自由 じゆう膨張 ぼうちょうじゃなかったです
jiyūbōchōjanakattadesu

Noun
Desu Copula

The polite, past negative form of 自由膨張

1. Wasn't free expansion.; Wasn't unconstrained expansion.

Past/Perfective
Negative
Polite
Casual Register
Physics