嘔吐 おうと中枢 ちゅうすうではありませんでした
ōto chūsūdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 嘔吐中枢

1. Was not the vomiting center.; Was not a vomiting center.

Past/Perfective
Negative
Polite
Formal Register