他们研究了咖啡因对两组男性锻炼者的作用:一组是通常很少饮用咖啡的,另一组则是保持着平均每天四杯咖啡的吸收量。
They studied the effects of caffeine on two groups of male exercisers: those who usually consumed little caffeine and those with an average intake of four cups a day.
控制光合作用的叶绿素呈现绿色也是有原因的——它反射了绿光,与太阳的光谱保持一致,这样它才能最有效地吸收阳光。
It is tuned to the spectrum of the sun in order to absorbsunlight in the most efficient way possible. The reflected green is the lightit rejects.
树木所起的作用不止于保持水土。树木还吸收水份、防止洪水突发,并使河流不至于含有可杀死鱼类的泥沙沉淀。
Trees do more than keep the soil in place. They also soak up water and prevent flash floods, and keep rivers clear of sediment that can kill fish.
作用:促进身体对钙的吸收,而钙对于牙齿和骨骼的正常发育并保持健康状态是必不可少的。
What it does: Promotes the body's absorption of calcium, which is essential for the normal development and maintenance of healthy teeth and bones.
医用敷料在伤口愈合过程中的作用是保护伤口、减少感染、吸收分泌物、保持体温、促进伤口愈合。
The medical dressing can protect the wound, reduce infection, absorb secretion, keep animal heat and accelerate concrescence of the wound.
发布有限公司2通过不断吸收,在植物的光合作用,保持二氧化碳2大气中的内容相同。
Released co 2 is absorbed by growing plants during the photosynthesis, keeping co 2 content in the atmosphere same.
发布有限公司2通过不断吸收,在植物的光合作用,保持二氧化碳2大气中的内容相同。
Released co 2 is absorbed by growing plants during the photosynthesis, keeping co 2 content in the atmosphere same.
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