In the first study, Cambridge scientists found for the first time that red blood cells have a 24-hour rhythm.

在第一个项目中，剑桥大学的研究者们首次发现：红血细胞拥有24小时循环规律。

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The red plume on the horse's head was nodding to the rhythm of its steps.

马头上的红色羽饰随着马步的节律抖动着。

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The time-active budget of captive Red-crowned Crane behavior shows circadian rhythm generally.

笼养丹顶鹤繁殖期行为与非繁殖期行为均呈现一定的日活动节律。

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This was an ugly game with little rhythm, seven yellow cards and a red one in the waning moments for Irish midfielder Keith Andrews.

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Pithy Spanish guitar riffs and flirtatious violin notes erupt to accompany the rhythm, and gauchos (Argentinean cowboys) draped in regional red and black ponchos spring from their chairs to dance, the clack of their boots on the wooden floor echoing around the surrounding multi-coloured canyons.

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But the drug also leads to a change on electrocardiogram readings that is thought, in some cases, to be a flashing red warning that a drug could cause fatal arrhythmias, or heart rhythm disturbances.

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