Only the circles in the center had sugar water.

只有中间的圆圈有糖水。

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Environmentalists are arguing in circles about who or what is to blame: the total number of people; or the amount of water, food, mineral ores or clean air each demands.

环境保护主义者关于人口问题的归责长期唇枪舌剑争论不休：人口总量即与之对应的供给人口需要的水、食物、矿产和清洁的空气总量等等。

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By making small circles with each part of your body, water is re-introduced between the sand and clay particles, reducing the density and making it easier for someone to heave you out.

全身小幅度转圈，水会重新流入沙和粘土颗粒之间，从而减小流沙密度，让别人容易将你拉出来。

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Blair also is known in Navy circles for once trying to water-ski behind the destroyer he skippered, the USS Cochrane.

CNN: Obama to name Panetta to lead CIA, Blair as intelligence chief