孩子们兴奋地追逐着在阳光下翩翩起舞的蝴蝶。

The children chased the ___butterflies dancing in the sunlight with excitement.

因为他温和的言行举止，邻居们私下里都叫他蝴蝶。

The neighbors secretly called him ___mariposa because of his gentle behavior.

我们在徒步旅行时发现了美丽的蝴蝶。

We spotted beautiful ___mariposas during our hiking trip.