您要查找的是不是：
- A butterfly is an insect. 蝴蝶是一种昆虫。
- A butterfly is an insect.It lays eggs on a leaf.The eggs are small and white. 一只蝴蝶一只昆虫.;它蛋放在一个叶子上
- The butterfly is an innocent insect. 蝴蝶是一种无害的昆虫。
- 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。
- A butterfly is flying over there. 那儿蝴蝶飞舞。
- A fly is an insect with two wings. 苍蝇是有双翼的昆虫。
- A butterfly is flying around the flower. 蝴蝶绕着花儿飞舞。
- The butterfly is an insect. 蝴蝶是种昆虫。
- A butterfly is flying in the classroom. 一只蝴蝶正在教室里边飞。
- The flutter of a butterfly is a magical sight. 蝴蝶翩翩起舞真是一幅奇妙的迹象。
- There is an insect crawling up your back! 有只虫子在你背上爬!
- The butterfly is an example of symmetry. 蝴蝶是结构完全对称的一个例子。
- A butterfly is produced by metamorphosis from a caterpillar. 蝴蝶是由毛虫脱胎变成的。
- Part of the answer is an insect called the potato psyllid. 但一种叫作马铃薯木虱的昆虫负有部分责任。
- The housefly is an insect which undergoes complete metamorphosis. 苍蝇是一种完全变态的昆虫。
- 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。
- Do you think butterfly is a type of insect? 你认为蝴蝶是一种昆虫吗?
- A butterfly must not be confused with a moth. 不得将蝴蝶和飞蛾混同起来。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
