He left school at the age of 16.

他16岁便离开学校。

《牛津词典》

He left school at the age of 18.

他18岁读完中学。

《牛津词典》

Moesha had reached the age of puberty.

莫莎已到了青春期年龄。

《柯林斯英汉双解大词典》

Frank McCourt left Ireland at the age of nineteen to return to New York City where he was born.

VOA: special.2009.12.27

It wasn't until 1645 at the age of thirty-six or thirty-seven that Milton would publish his first volume of poems, which he titled simply Poems.

直到1645年他36或37时,弥尔顿才出版了第一部诗集，就叫《弥尔顿十四行诗集》

耶鲁公开课 - 弥尔顿课程节选

And for girls, they go to a prep school between the age of 4 and 11.

对于女孩，她们在四岁和十一岁之间去预科学校。

英国的教育 - SpeakingMax英语口语达人

In France, for children under the age of four, the ratio is one to eight.

BBC: Ministers 'plan childcare change'

Bascule offers whisky tastings, starting at 175 rand and priced according to the age of the whisky.

BBC: A Cape Town haven for whisky lovers

Shortly after acquiring the tower at the age of 51, Yeats married Georgie Hyde-Lees, a 25-year-old Englishwoman.

BBC: Where Yeats spoke with ghosts