主動運輸
The movement of substances across living cells, usually from a region of lower concentration to a region of higher concentration, with the use of energy (Book 1, p.58)
物質可從低濃度區域到高濃度區域，穿越細胞膜的移動過程，過程中需消耗能量。
Related terms: diffusion (擴散作用), osmosis (滲透作用)
Pronunciation in English (listen with default application).
