The butterfly fluttered from flower to flower.
蝴蝶在花叢中飛來飛去。
Caterpillars change into butterflies.
毛蟲變成蝴蝶。
Butterfly is the only stroke I can't do.
只有蝶泳我不會。
She was third in the 200m butterfly.
她獲得200米蝶泳比賽的第三名。
The caterpillar will eventually metamorphose into a butterfly.
毛毛蟲最終將蛻變成一隻蝴蝶。