| 11. | A female rat may have five or six litters yearly, and an average of nine per litter. |
| 一只母鼠每年可能产仔鼠5至6窝，每窝平均9 只。
|
| 12. | I set [placed] a trap for the rat . |
| 我设下捕捉老鼠的夹子。
|
| 13. | A rat cut a hole through the ceiling. |
| 老鼠在天花板上打了一个洞。
|
| 14. | The water rat , paralysed and string, saw at last a distant speck on the white surface of the road. |
| 水老鼠神思恍惚，木然远望，终于看见一个小斑点出现在远方洁白的路面上。
|
| 15. | The Rat danced up and down in the road, simply transported with passion. |
| 老鼠怒火万丈，在路上又蹦又跳。
|
| 16. | A rat can gnaw a hole through wood. |
| 老鼠能啃穿木头。
|
| 17. | The cat nosed out a rat . |
| 猫闻出有老鼠。
|
| 18. | opt out of the rat race |
| 决定退出这场竞争
|
| 19. | release a rat from a trap |
| 把老鼠从夹子上放走
|
| 20. | rat poison |
| 老鼠药
|