本影片所介紹的英語學習素材為Butterfly Life Cycle，介紹蝴蝶的生長過程: 從卵(egg)→毛毛蟲(caterpillar)→蛹(chrysalis/pupa)→蝴蝶(butterfly)以及毛毛蟲喜愛的食物。影片中使用的例句包含：Some tiny little eggs lay on a tree leaf.／A young caterpillar pops out of an egg.／The young caterpillar loves to eat leaves.／The young caterpillar sheds (蛻皮).／The caterpillar is big enough to form a pupa.／A pupa hangs at a twig and it doesn’t move.。