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：

花會散發(fā)香味是因?yàn)榛ò曛泻幸环N特殊的油?；ǖ南阄妒怯脕砦ハx的。昆蟲傳播花粉，這樣才能結(jié)出種子。所以花通過散發(fā)香味來告訴昆蟲自己在哪里。

蝴蝶之類的昆蟲遠(yuǎn)遠(yuǎn)地就能聞到花的香味。