an Amazon River dolphin (Inia geoffrensis)

a river dolphin

body / physique, constitution, frame / health

river

the Amazon River

beautiful

(archaic) beautiful

Amazon / Alternative form of アマゾーン (Amazōn, “Amazons”)

to know, be aware of / to learn, acquire, / to be acquainted with, to know (someone) / (colloquial, in the negative) to care in the least about, to be concerned with,

a dolphin or porpoise (the mammal)