柯林斯词典chlorophyll /ˈklɔːrəfɪl/ 1. N-UNCOUNT Chlorophyll is a green substance in plants which enables them to use the energy from sunlight in order to grow. 叶绿素 返回 chlorophyll剑桥词典the green substance in plants , that allows them to use the energy from the sun 叶绿素 返回 chlorophyll