active transport
active transport
active transport
n.（名词）
The movement of a chemical substance through a gradient of concentration or electrical potential in the direction opposite to normal diffusion, requiring the expenditure of energy:
活性转移，主动运输：化学物质通过浓缩或电位升降率所进行的移动，与正常的流动方向相反并需消耗能量：
active transport across a cell membrane.
通过细胞膜的活性转移
