英和和英

Childhood is followed by adolescence ¹ or youth ¹ which starts at puberty < 620-2). The terms adolescents ² or young persons ³ are employed for men and women between childhood and adult age ⁴. Those who have reached maturity ⁴ are called adults ⁵. Old age ⁶ is frequently used to define the period of life during which most persons are retired. Persons above that age are called old people ⁸, the aged ⁸ or the elderly ⁸.

• 3. The term youth is also employed collectively. When used in the singular, it more frequently refers to a male. In the United States of America, teenager refers to persons in their teens, i.e., between 13 and 19 years.
• 4. Maturity, n. - mature, adj. - maturation, n.: the process of growing to maturity.

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