The researchers noted that the effect of pollution on language ability is even more serious as people age, especially among men and the less educated.

研究人员指出，随着年龄的增长，污染对语言能力的影响更加严重，尤其是在男性和受教育程度较低的人群中。

youdao

Childhood amnesia may reflect a high rate of forgetting, in other words, children under the age of 3 do form memories and do so without language.

儿童健忘症可能反映了很高的遗忘率，换句话说，3岁以下的儿童确实形成了记忆，而且是在没有语言能力的情况下形成的。

youdao

Once language starts to develop from about age 2, they do have a system for symbolic representation and can talk about things which aren't in their immediate environment including the past.

一旦语言从2岁左右开始发展，他们就有了一个符号表征系统，可以谈论过去和现在环境之外的事情。

youdao

It contains science-fiction violence and also language that may be inappropriate for children under the age of thirteen.

VOA: special.2011.06.20

For the children, the show is a new experience: a humorous, high-energy piece of foolish theatre that transcends the boundaries of culture, language, age and race.

ECONOMIST: On the road with six clowns in Israel and Palestine

He told the Guardian that almost every other advanced country teaches a foreign language from that age, and the UK should set itself the same target.

BBC: Teach foreign languages from age five, says Gove

At the age of 12, pupils start a second language and at 14 a third language.

BBC: Straw regrets lack of languages