您要查找的是不是：
- A butterfly must not be confused with a moth. 不得将蝴蝶和飞蛾混同起来。
- I think this worm is a larva of a butterfly. 我觉得这虫子是蝴蝶的幼虫。
- Alfalfa can be used as animal food. 紫花苜蓿可以用作动物饲料。
- A caterpillar is the larva of a butterfly. 毛虫是蝴蝶的幼体。
- A caterpillar must pass through the cocoon stage to become a butterfly. 毛毛虫必须经过茧的阶段才能变成蝴蝶。
- His hobby is collecting butterfly specimens. 他的业余爱好是采集蝴蝶标本。
- alfalfa butterfly 苜蓿粉蝶
- Take not a musket to kill a butterfly. [谚]小题大做; 杀鸡焉用牛刀。
- He tried in vain to catch the butterfly on the flower. 他白费力气想抓住停在花上的蝴蝶。
- The ugly caterpillar will change into a beautiful butterfly. 丑陋的毛虫会变成美丽的蝴蝶。
- A butterfly is flying up and down among the flowers. 有一只蝴蝶正在花丛里忽上忽下地飞着。
- Alfalfa is the best type of hay for a cavy. 苜蓿对天天来说是最好的牧草种类.
- I don't like this young woman; she seems a social butterfly. 我不喜欢这个年轻女子，她象个交际花。
- Never ever offer awful Arthur alfalfa. 千万不要给可怕的阿瑟紫花苜蓿。
- A close examination of the butterfly showed that it had four wings. 仔细察看蝴蝶发现它有两对翅膀。
- This species of butterfly is widely distributed over our country. 这种蝴蝶在我国分布很广。
- It shows the metamorphosis of a larva into a butterfly. 它展示了从幼虫变成蝴蝶的过程。
- Effect of Alfalfa on the Soil Eco Environment. 苜蓿对土壤生态环境的影响。
- A larva metamorphoses into a chrysalis and then into a butterfly. 幼虫变为蛹，然后再变成蝴蝶。
- And he grows alfalfa, soybean and other crops. 他还种植了紫花苜蓿、大豆还有其他的农作物。
