These days you'd be hard pressed to find anyone in Australia over the age of 15 who doesn't own a mobile phone. In fact, plenty of younger kids have one in their pocket.

如今，在澳大利亚，你很难找到15岁以上的没有手机的人。事实上，很多更小的孩子口袋里都有一个手机。

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He used to be a chubby child, but at age 12 the fat dropped off "almost over night".

他曾经是个小胖子，不过在他12岁的时候，脂肪“几乎在一夜之间”就消失了。

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Studies have shown that high levels of iron can be harmful to the heart and arteries. Men, over age 20, who have higher levels of stored iron had higher levels of cardiovascular disease.

研究表明，高水平的铁含量对心脏和动脉产生有害作用，其中对有高水平铁储存含量超过20岁的男性有更高的心血管疾病患病率。

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But one activity that legally is only supposed to be for people age twenty-one and over is drinking alcohol.

VOA: special.2009.08.07

Saudi Arabia stipulated in July that no individuals under the age of 12 or over the age of 65 would be allowed to participate in this year's Hajj, due to swine flu concerns.

VOA: standard.2009.11.29

"Heart failure really begins to increase over the age of 60 when the chances of heart transplantation diminish, so this is going to be a major therapeutic option for a great many patients in the future,"

VOA: standard.2010.01.27

For people thinking about reverse mortgages, the house needs to be owned by people over 62 years of age and who own at least 65% of the house to qualify, says Thomas Holland, partner at Global Vision Advisors.

FORBES: Intelligent Investing Panel

Noting the difficulties experienced by secondary school pupils in getting to university, Mr Lyttle called for a compromise to be reached over post-primary transfer, with the transfer age rising to 14.

BBC: Disparity in community background at universities

People coming to vote must be US citizens over the age of 18, who have lived in the precinct for at least 30 days, says Al Jaeger, the North Dakota Secretary of State.

BBC: US election: 10 oddities explained