1. The drug increases the number of red cells in the blood, enhancing oxygen uptake by 10 percent. 这种药增加血液里的红细胞数量，将氧气吸收量提高百分之十。
2. Vitamin D, or calciferol, is another fat-soluble steroid vitamin that functions to stimulate calcium uptake from the gut and its deposition in bone. 维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进肠道吸收钙并强化骨骼。
3. Vitamin D, or calciferol, is another fat soluble steroid vitamin which functions to stimulate calcium uptake from the gut and its deposition in bone. 维生素 D，或钙醇，是另一种脂溶性类固醇维生素，其功能是促进钙从肠道吸收并沉积在骨头中。
4. Long-term effects are primarily mediated by changes in tree species composition and the consequent alterations of forest structure, productivity, and nutrient uptake. 长期影响主要是由树种组成的变化以及随之而来的森林结构、生产力和养分吸收的变化所导致的。
5. Is he always this slow on the uptake? 他总是理解得这么慢吗？
