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。
- 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。
- Take not a musket to kill a butterfly. [谚]小题大做; 杀鸡焉用牛刀。
- A malignant tumor originating in glandular tissue. 腺癌起源于腺性组织的恶性肿瘤
- The surgeon operated on her for a tumor. 医生为她的肿瘤开刀。
- The surgeon operated on him to remove the tumor. 外科医生给他做手术以切除肿瘤。
- A surgeon removed the boy's brain tumor. 一位外科医生为这男孩摘除了脑肿瘤。
- The second scan revealed a brain tumor. 第二次扫描显示出一个脑瘤。
- 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 tumor composed of muscle tissue. 肌瘤一种由肌肉组织构成的瘤
- The doctors decided to operate on him for the tumor. 医生们决定为他开刀切除肿瘤。
- 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。
- The surgeons irradiated the tumor. 外科大夫用X射线照射瘤。
- 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。
