参赛者按年龄和能力分组。

Contestants were grouped according to age and ability.

《牛津词典》

我们尽量按能力，来分组。

We try to put it in a group of three, the arrange of abilities.

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肯特大学的这一研究得出结论说，学校应该避免把学生按能力进行分组，因为这一行为经常导致女孩在成绩上以绝对优势居于前列。

Schools should avoid dividing pupils into ability groups because the practice often results in girls dominating the higher-achieving tables, concluded the Kent University research。

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We try to put it in a group of three, the arrange of abilities.

我们尽量按能力，来分组。

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