主动转运这种转运过程的特征是选择性和饱和性，需要细胞的能量消耗。
Active transport: This process is characterized by selectivity and saturability and requires energy expenditure by the cell.
肝细胞中的脂滴是冬眠中脂肪储备的一种重要形式，其在维持冬眠期物质与能量消耗方面有重要意义。
The lipid drop in hepatocyte is one kind of important reserve of lipid during hibernation, it has important significance in consumption of substance and energy.
在吃完一顿饭后，脂肪酸会进入细胞触发这种受体提高身体能量消耗速度。
After a meal, fatty acids enter cells, triggering the receptors to rev up the body's energy-burning motor.
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