您要查找的是不是：
- 蛙frog
- 在北north
- 北的boreal
- 南北north and south
- 向北northward
- 北朝鲜North Korea
- 蛙跳leapfrog
- 北邮Beijing University of Post & Telecommunication
- 北路North Road
- 蛙式breaststroke
- 魁北克Quebec
- 蝌蚪是蛙的幼体。The tadpole is the larva of the frog.
- 北韩North Korea
- 按青蛙的标准来衡量，他的“多毛蛙”算得上非常大了。His Hairy Frog was, as frogs go, quite large.
- 北朝the Northern Dynasties (A.D. 386 - 581)
- 蛙类Batrachia
- 井蛙观太空，天仅井口大。To a frog in a well heaven is only a sieve in size.
- 北门north gate
- 林蛙wood frog
- 北岛North Island
