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。
- He's mending nicely after his operation. 手术后他正在顺利康复。
- 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。
- He is in charge of the operation of the steel mill. 他负责这家钢厂的经营工作。
- The bank plan a rescue operation for the company. 银行计划对这个公司采取挽救措施。
- The operation was a marvel of medical skill. 这个手术是医术的一个非凡范例。
- An operation is needed to remove your tonsil. 需要进行手术摘除你的扁桃体。
- 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。
- The operation went like clockwork. 手术进行得极为顺利。
- When does the new law come into operation? 这项新法律何时生效？
- She was keyed up over her impending operation. 她为了即将进行的手术而心中忐忑不安。
- The actual operation lasted eight hours. 实际手术进行了8个钟头。
- The surgeon is performing a delicate operation. 那位外科医生正在做一个很精细的手术。
- 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。
- He heads up the operation in northern Europe. 在北欧他领导企业的业务活动。
