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.
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.
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.
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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