ちょう音波 おんぱ洗浄 せんじょうじゃありませんでした
chōon pa senjōjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 超音波洗浄

1. Was not ultrasonic cleaning.; Was not being ultrasonically cleaned.

Past/Perfective
Negative
Polite
Terminal Form