双语例句原声例句
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你的新陈代谢率就是你身体将食物转换成能量的速度。
Your metabolic rate is the speed at which your body transforms food into energy.
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这取决于水进入湖泊的速度，而这又取决于降雨量和蒸发率。
It depends on the rate at which water enters the lake, and that depends on the rainfall and the evaporation rate.
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在过去的十年里，物价的上涨速度是通货膨胀率的两倍多。
Over the past decade, prices leaped by more than double the inflation rate.
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If X is the number of cells, then the rate of change of X, dX/dt, the rate of change of the cell population, how fast division is taking is proportional to the number of cells I have.
如果X是细胞数目,那么X的改变率就是dX/dt,就是细胞数目的改变率,分裂的速度有多快,和细胞数量呈比例关系
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