| 31. | A box has a top, a bottom and four sides. |
| 盒子有顶面, 底面和四个侧面。
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| 32. | She slammed the box down on the table. |
| 她使劲把盒子摔在桌子上。
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| 33. | She smashed the hammer down onto the box . |
| 她用锤子猛击箱子。
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| 34. | The box snapped open. |
| 箱子啪的一声打开了。
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| 35. | He snapped down the lid of the box . |
| 他砰的一声把箱子盖合上了。
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| 36. | Suddenly the box split open and a puppy jumped out. |
| 箱子突然打开,从里面蹦出只小狗。
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| 37. | The box sprang open. |
| 盒子弹开了。
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| 38. | Repack all the superfluous cups in the box . |
| 把多余的杯子都重新装入箱中。
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| 39. | Did you box at school? |
| 你在学校时练过拳击吗？
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| 40. | How many times a day is this box cleared? |
| 这邮箱里的信件每天取几次？
|