1. 他白費(fèi)力氣想抓住停在花上的蝴蝶。
   He tried in vain to catch the butterfly on the flower.
2. 有一只蝴蝶正在花叢里忽上忽下地飛著。
   A butterfly is flying up and down among the flowers.
3. 我覺得這蟲子是蝴蝶的幼蟲。
   I think this worm is a larva of a butterfly.
4. 它展示了從幼蟲變成蝴蝶的過程。
   It shows the metamorphosis of a larva into a butterfly.
5. 丑陋的毛蟲會變成美麗的蝴蝶。
   The ugly caterpillar will change into a beautiful butterfly.
6. 毛蟲會變成蝴蝶。
   Caterpillars turned into butterflies.
7. 蝴蝶到處飛來飛去。
   Butterflies flit hither and thither.

蝶的英語翻譯：