- taking pollen from flower to flower...
传播花粉 - in return for their sweet liquid nectar.
作为回报 它们得到了甜美的花蜜 - By 130 million years ago...
到了1.3亿年前 - flowers were becoming more vivid,
花变得更加鲜艳 - vibrant,
生机勃勃 - and varied,
多种多样 - as they competed to attract the very best pollinators.
因为它们争相吸引最杰出的传粉者