在撒哈拉沙漠下方，横贯非洲中部的植被带颜色非常深，因为植物由于光合作用吸收了大多数太阳光。
The belt of vegetation that crosses Africa below the Sahara is very dark because most of the sunlight is absorbed by plants for photosynthesis.
在撒哈拉沙漠下方，横贯非洲中部的植被带颜色非常深，因为植物由于光合作用吸收了大多数太阳光。
The belt of vegetation that crosses Africa below the Sahara is very dark because most of the sunlight is absorbed by plants for photosynthesis.
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