Before puberty, boys and girls are equally likely to develop depressive disorders.

在步入青春期之前，男孩和女孩有同等机会患上抑郁症。

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Research is being done still, but many argue that the peak of language learning ability ends before puberty.

相关方面的研究还在继续，但是许多人认为，语言学习能力在青春期前达到顶峰，而后就保持在固定的水平。

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They may have wrestled with body image even before puberty started (for example, battles with weight or dissatisfaction with height).

他们甚至在发育期还没开始之前，就已经在跟自己的身体意象较劲了(比如跟体重作战或者对身高不满)。

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"We'll need to wait for all the girls to enter puberty before we have a good grasp on what the contribution is of those environmental chemicals."

VOA: special.2010.08.18

Grown-ups identify and coddle those with superior athletic ability at or before puberty.

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Western parents are usually horrified at the pressure the tiger mums exert on their children to get better grades or become concert violinists, preferably before puberty.

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By his account, he was an eco-warrior before puberty.

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