absorption spectra of blood

例句：

1. 1.The absorption of sunlight by the leaves is crucial for photosynthesis.
   叶子对阳光的吸收对于光合作用至关重要。
2. 2.The absorption of nutrients in soil plays a vital role in plant growth.
   土壤中养分的吸收在植物生长中起着至关重要的作用。
3. 3. The absorption of water vapor into the atmosphere is essential for life on Earth.
   水蒸气进入大气层是地球上生命存在的关键。