Flowers smell good because they have special oils in their petals. The smell is used to attract insects. Insects move pollen so seeds can be produced. Therefore flowers use their smells to tell insects where they are.

Insects like butterflies can smell a flower from very far away.

答案：

花会散发香味是因为花瓣中含有一种特殊的油。花的香味是用来吸引昆虫的。昆虫传播花粉，这样才能结出种子。所以花通过散發香味来告诉昆虫自己在哪里。

蝴蝶之类的昆虫远远地就能闻到花的香味。