It uses so much energyproducing the slimy mucus and crawling over it that a mouse traveling the same distance uses only one twelfth as much energy.
它产生粘稠的黏液并在黏液上爬行消耗了大量的能量,而一只老鼠移动同样的距离只消耗了十二分之一的能量。
2
Impacts on porous bodies generate less debris, so more energy goes into producing heat.
撞击多孔体产生的碎片较少,因此产生热量的能量更多。
3
For the farmer who takes care to keep them cool, providing them with high-energy feed, and milking them regularly, Holstein cows are producing an average of 2,275 gallons of milk each per year.