吸光度

例句：

1. 1. The absorption of sunlight by the leaves is a crucial process for photosynthesis.
   叶子对阳光的吸收是光合作用的关键过程。
2. 2. The absorption of light in this region is quite low compared to other areas.
   这个地区的光吸收量与其他地区相比相当低。
3. 3. The absorption spectrum of a substance can provide important information about its chemical properties.
   物质的吸收光谱可以提供关于其化学性质的重要信息。