Puberty is the stage in someone's life when their body starts to become physically mature.
例句
Margaret had reached the age of puberty.玛格丽特已到了青春期。
英汉词典释义
n.
青春期
He reached puberty at the age of fourteen.他14 岁时进入了青春期。The body undergoes many changes during puberty.身体在青春期期间会发生许多变化。You reach puberty in your teens.人十多岁就到达青春期。
英英词典释义
Noun
1. the time of life when sex glands become functional