I have one apple.
The numeral representing the integer that follows zero and precedes two.
Being a single unit or entity.
She is the only one who can help.
A single unit or individual person or thing.
She is the only one who knows the secret.
Used to refer to a person or thing of a specified kind.
The first number in a sequence, representing a single unit.
She has one dog.
He bought one book.
We need one more chair.
one by one
one at a time
one of the
single
unit
individual
強力な無料の画像辞書とフラッシュカード付き。