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| 41. | Embryo transfers speed up the process of building a high-quality herd. |
| 胚胎转移加速了培养优质牛群的步伐。 |
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| 42. | Photograph of an embryo at the mudghah stage (28 days old). |
| 肉团阶段（28天大）的胚胎照片。此阶段的胚胎外观像是咀嚼过的物质，因为胚胎背部的体节有点像咀嚼过物质上的齿痕。 |
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| 43. | Figure 4: Diagram of the primitive cardiovascular system in an embryo during the alaqah stage. |
| 图4：血块阶段胚胎中最初的心血管系统图。胚胎的外观和囊袋很像一块凝血，因为此阶段有相对大量的血出现在胚胎中 |
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| 44. | The cartilaginous cranium of an embryo before ossification. |
| 软骨颅胚胎在骨化作用之前的软骨性头颅 |
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| 45. | A) Drawing of an embryo at the mudghah stage. |
| A)肉团阶段的胚胎图。此处我们可以看出胚胎背部状似齿痕的体节 |
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| 46. | By the way, is the word embryology derived from embryo?" |
| 顺便问一声，embryology这个词是从embryo变化来的吗? |
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| 47. | Researchers found the gene that tells the embryo to produce the head. |
| 研究者们发现了让胚胎发育成头部的基因， |
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| -- 来源 -- 现代英语佳作赏析 社会篇 - 2. Of Headless Mice...and Men |
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| 48. | (botany) of or relating to the development of an embryo in the absence of fertilization. |
| （植物学）胚胎无受精繁殖的。 |
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| 49. | Having three germ layers.Used of the vertebrate embryo. |
| 用于脊椎动物的胚胎 |
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| 50. | Some people including President Bush say destroying the embryo destroys life. |
| 有些人说,包括总统布什说破坏胚胎毁灭生命。 |
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