The substances that make up both groups of planets are divided into three groups—gases, rocks, and ices—based on their melting points.

这两组行星的构成物质根据熔点分为三类：气体、岩石和冰。

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Sometimes the children are divided into three groups to play games.

有时，孩子们被分成三组来做游戏。

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The students were divided into three groups.

学生们被分成三组。

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They divided the runners into three groups.

VOA: special.2010.02.03

And I've divided these into two groups, the big three and the more interesting four.

我将其分为两组，三大因素和四个有趣因素。

耶鲁公开课 - 心理学导论课程节选

Called the Diabetes Prevention Program, 3, 234 participants diagnosed with pre-diabetes were randomly divided into three groups.

FORBES: If This Diabetes Prevention Program Were A Drug, It Could Be A Blockbuster

Some 750 elderly volunteers who have mildly impaired memories of the sort that presage Alzheimer's disease will be divided into three groups.

ECONOMIST: Disposing of dementia

The patients were divided into three groups and were asked to take either omega-3 fish-oil capsules, sunflower-oil capsules or a dummy capsule six times a day.

BBC: Fish oils 'keep arteries clear'