"spoke with one voice"
同义词: unitary
"two animals of one species"
"that is one fine dog"
"he will come one day"; " one place or another"
"three chemicals combining into one solution"
"she's one girl in a million"; " the one and only Muhammad Ali"
同义词: matchless nonpareil one and only(a) peerless unmatched unmatchable unrivaled unrivalled