1.infancy 嬰幼兒時(shí)期
He showed his talents in his infancy.
他在嬰兒時(shí)期就展現(xiàn)出了天賦。
2.school children 學(xué)齡兒童(6-12歲)
School children should receive education.
學(xué)齡兒童應(yīng)該接受教育。
3.adolescence 青春期
Adolescence is a key period in one's life.
青春期在人的一生中至關(guān)重要。
4.thirties 而立之年
He is in his thirties.
他處在而立之年。
5.middle age 中年
Mother is entering into her middle age.
媽媽正在步入中年。