Dictionary / Vocabulary / 一才
いっさい
one-year-old
Also written 一歳、１才、１歳
彼女は８１才になった。
She attained the age of eighty one.
彼女は３１歳だ。
She is thirty-one.
彼は４歳と１歳の２児の父親だ。
He has two children, aged 4 and 1.