17. as graceful as a swan像天鹅一样优美

UNIT FOUR

16. as slow as a snail像蜗牛一样慢

15. as quick as a rabbit像兔子一样快

14. as smart as a owl像猫头鹰一样聪明

13. as stubborn as a mule像骡子一样顽固

12. as brave as a lion像狮子一样勇敢

11. as gentle as lamb像羔羊一样温和瞎

10. as playful as a kitten像小猫一样贪玩

9. as tall as a giraffe像长颈鹿一样高

8. as silly as a goose像鹅一样愚蠢