蝴蝶的英语单词是：butterfly.
例句：它是一只非常漂亮的蝴蝶，翅膀张开有2英寸宽。
It is a very pretty butterfly, with a 2 inch wing span.
（图片来自网络侵删）
大多数蝴蝶在秋季初霜来临时死亡。
Most of the butterflies perish in the first frosts of autumn.
毛毛虫最终将蜕变成一只蝴蝶。
The caterpillar will eventually metamorphose into a butterfly.
美丽的蝴蝶在野花上方盘旋。
Beautiful butterflies hovered above the wild flowers.
蝴蝶以园林中草木的花为食。
Butterflies feed on the flowers of garden plants.
蝴蝶和飞蛾为野花所吸引。
Butterflies and moths are attracted to the wild flowers.
蝴蝶在花丛中飞来飞去。
Butterflies flitted from flower to flower.
