The South and Southeast regions in Brazil have the highest energy generation potential from agroforestry biomass due to the high concentration of forest plantations and sugarcane.

由于高度密集的森林和甘蔗种植，巴西的南部和东南部地区农林生物质的能源生产潜力最高。

youdao

Active transport The use of energy to move a solute across a membrane against a concentration gradient, a potential gradient, or both (electrochemical potential) . Uphill transport.

主动吸收：亦称代谢吸收。指细胞直接利用能量做功，逆着电化学势梯度吸收离子的过程。

youdao