潜水 せんすい反射 はんしゃじゃありませんでした
sensuihanshajārimasendeshita

Noun
Desu Copula

The polite, past negative form of 潜水反射

1. Was not a diving reflex.; Was not an immersion reflex.

Past/Perfective
Negative
Polite
Terminal Form
Physiology