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31. | The vertebrate spine or spinal column. |
| 脊骨脊椎动物的脊椎或脊柱 |
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32. | He lacks backbone. |
| 他缺乏毅力。 |
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33. | elastic backbone model |
| 弹性主骨架模型 |
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34. | He saw the white naked line of his backbone and the dark mass of the head with the projecting bill and |
| 他看清它赤露的脊骨像一条白线,看清那带着突出的长嘴的黑糊糊的脑袋,而在这头尾之间却一无所有。 |
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35. | NSFNET Backbone NSF |
| 网络主干网 |
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36. | Why do hummingbirds and gorillas both have backbones? |
| 为什么蜂鸟和大猩猩都有脊骨? |
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37. | to the backbone |
| 彻底地|纯粹地 |
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38. | The football player injured his spine. |
| 那个足球运动员的脊骨受了伤。 |
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39. | Saddle of mutton. |
| 羊的带脊骨腰肉。 |
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40. | He has no backbone. |
| 他没有骨气。 |
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