In China children go to kindergarten usually before the age of six or seven.

在中国，孩子们通常在6岁或7岁之前到幼儿园。

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John William Waterhouse was born in Rome, and had been living in this ancient civilized environment before the age of six.

出生在罗马的华特·豪斯，到六岁之前都沉浸在拥有数千年古老文明的历史之中。

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But many Africans believe large families are a form of insurance on continent where one in every six children dies before the age of five, according to UNICEF.

然而，许多非洲人认为，大家庭是这个大陆的一种保险形式。据联合国儿童基金会说，那里六分之一五岁以下的孩子夭折。

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The policy was drawn up before evidence that babies should be given solid food before the age of six months was published in last week's British Medical Journal.

BBC: Vitamin D and weaning advice for new Scottish mothers

However the document recognises that many children are weaned before the age of six months and advises parents to mash up their own low-salt and low-sugar foods rather than rely on commercial baby foods.

BBC: Vitamin D and weaning advice for new Scottish mothers

Ella went through four years of chemotherapy, several major surgeries and six weeks of radiation all before the age of 7.

CNN: Helping patients navigate the health care system