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| 51. | small sandpiper-like shorebird having lobate toes and being good swimmers; breed in the arctic and winter |
| 类似矶鹞的滨鸟，脚趾呈叶子形，是游泳好手；北极繁殖，热带过冬。 |
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| 52. | This makes it necessary to allow gilts to reach a higher age and weight before expecting them to breed |
| 因此，为了达到良好的繁殖性能，就应该延缓后备母猪的初配日龄。 |
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| 53. | Outcrossing is the mating of two dogs of the same breed that are otherwise virtually unrelated. |
| 同系繁殖是指交配犬只双方属于同一品种但没有实质上的联系。 |
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| 54. | As a beginner you need to engross yourself in the breed as much as possible and ideally find a suitable |
| 在身为繁殖者的初期，你必须尽可能地了解这个品种的狗。另外，最好是能够找到一位贤明的繁殖者来指导你。 |
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| 55. | When green turtles are ready to breed, they tend to return to the islands where they hatched. |
| 当绿蠵龟准备繁殖的时候，通常都倾向于回到自己孵化的岛屿。 |
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| 56. | Either of two migratory sandpipers(Calidris canutus or C.tenuirostris)that breed in Arctic regions. |
| 红腹滨鹬在北极地区繁殖的两种迁徙鹬的任一种（红腹滨鹬或大滨鹬） |
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| 57. | "as they move, they breed, and increase their number and will soon threaten Sudan in the northeast of |
| 在移动的过程中,它们也在不断繁殖,数量越来越多,即将威胁东北部非洲的苏丹。 |
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| 58. | compliance with the Code of Ethics shall be considered prejudicial to the best interests of the Samoyed breed |
| 没有管理好自己的行为以服从这个道德规范，将会被优秀的萨摩繁殖者排斥（不遵守道德规范，你就不是好的繁殖者）。 |
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| 59. | Propagation of plants and animals;procreation. |
| 繁殖动植物的繁殖；生殖 |
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| 60. | Albatrosses breed once every one or two years. |
| 信天翁每一或二年繁殖一次，为了喂养孩子，他们跋涉数千英里去觅食。 |
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