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80% of plant species on Earth have flowers.
世上的植物有百分之八十会开花
Flowers have just one role -
花朵只有一个功用
to enable the plant to produce offspring.
协助植物繁衍后代
Colour, perfume, nectar and shape
色彩，香气，蜜汁和形状
all act to make a flower irresistible.
为的是让花朵 拥有难以抗拒的魅力
Sunflowers grow to face the rising sun.
向日葵向阳生长
The warmth of the rays speeds the production of nectar
温暖的阳光加速花蜜产生
and this lures pollinators.
引来传粉的生物
One after another, hundreds of individual florets
数以百计的小花 接二连三地
produce pollen-covered stamens.
长出有花粉的雄蕊
And, like most flowers,
如同大部分的花朵
sunflowers establish a close relationship with animals
向日葵和动物发展出密切关系
in order to ensure their reproduction.
以确保物种的延续
As these bees busily feed on nectar,
忙碌吸食花蜜的蜜蜂
they unwittingly brush against the stamens, collecting pollen,
无意中收集了雄蕊上的花粉
and then carry it from flower to flower.
再带到下一朵花去
