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。
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- I think this worm is a larva of a butterfly. 我觉得这虫子是蝴蝶的幼虫。
- 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。
- The oil spill endangered thousands of birds. 石油的溢泄危及成千上万的鸟儿。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- endangered butterfly 蝴蝶
- His hobby is collecting butterfly specimens. 他的业余爱好是采集蝴蝶标本。
- Take not a musket to kill a butterfly. [谚]小题大做; 杀鸡焉用牛刀。
- An endangered species; an endangered culture. 濒临绝种的生物种类; 濒临绝传的文化
- 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。
- Scientists think that the Arctic is endangered by pollution. 科学家们认为北极面临着被污染的危险。
- 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。
- 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。
- 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。
