Insects are attracted to flowers by their colour,scent and nectar.

昆虫为花的、气和花所吸引。

Hummingbirds have discovered that nectar and pollen are very nutritious.

蜂鸟发现花和花粉是很有营养的。

Nectar and pollen are very nutritious.

花和花粉是很有营养的。