拇指 ぼし対向 たいこう せいじゃなかったです
boshitaikōseijanakattadesu

Noun
Desu Copula

The polite, past negative form of 拇指対向性

1. Wasn't opposable thumbs.; Didn't have opposable thumbs.

Past/Perfective
Negative
Polite
Casual Register