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胚胎研究是个让人情绪激动的问题。
Embryo research is an emotive issue.
《柯林斯英汉双解大词典》
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许多人反对用胚胎做实验。
Many people object to experimentation on embryos.
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全国各地的诊所里有24000个冷冻胚胎。
There are 24,000 frozen embryos in clinics across the country.
《柯林斯英汉双解大词典》
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这关系到胚胎在哪个平面被切割。
It matters in which plane the embryo is cut.
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许多物种的早期胚胎具有其祖先的特性。
Early embryos of many species develop ancestral features.
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半个欧洲反对胚胎干细胞的研究。
Half of Europe is opposed to embryonic stem cell research.
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那么水藻到底是如何进入胚胎里的呢？
So how might the algae enter the embryos?
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这就是胚胎5到7天大的时候的样子。
That is what embryos look like when they are between five and seven days old.
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胚胎是从一个完美对称的单细胞开始的。
A new embryo starts as a single cell with perfect symmetry.
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一部分将变成胎盘，另一部分则变成胚胎。
One part will become the placenta the other the embryo.
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一部分将变成胎盘，另一部分则变成胚胎。
One part will become the placenta, the other the embryo.
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不过，所有的人类胚胎最初都有一根尾巴。
However, all human embryos initially have a tail.
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婴儿现在已经脱离了胚胎阶段进入了胎儿期。
Your baby has left the embryo stage and is now a fetus.
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实验胚胎学潜能是非常惊人的。
But the potential is staggering.
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这些照片也许是最细致入微的动物胚胎写真了。
They are the most detailed embryonic animal pictures ever seen.
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组织，膜蛋白，人正常胚胎，胸腺。
Tissue, Membrane Protein, Human Fetal Normal, Thymus.
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组织，膜蛋白，人正常胚胎，食管。
Tissue, Membrane Protein, Human Fetal Normal, Esophagus.
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组织，膜蛋白，人正常胚胎，胆囊。
Tissue, Membrane Protein, Human Fetal Normal, Gallbladder.
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组织，膜蛋白，人正常胚胎，皮肤。
Tissue, Membrane Protein, Human Fetal Normal, Skin.
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组织，膜蛋白，人正常胚胎，心脏。
Tissue, Membrane Protein, Human Fetal Normal, Heart.
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组织，膜蛋白，人正常胚胎，腮腺。
Tissue, Membrane Protein, Human Fetal Normal, Parotid.
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组织，膜蛋白，人正常胚胎，直肠。
Tissue, Membrane Protein, Human Fetal Normal, Rectum.
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组织，膜蛋白，人正常胚胎，横膈。
Tissue, Membrane Protein, Human Fetal Normal, Diaphragm.
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组织，核蛋白，人正常胚胎，食管。
Tissue, Nuclear Protein, Human Fetal Normal, Esophagus.
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组织，核蛋白，人正常胚胎，胆囊。
Tissue, Nuclear Protein, Human Fetal Normal, Gallbladder.
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组织，总蛋白，人正常胚胎，胸腺。
Tissue, Total Protein, Human Fetal Normal, Thymus.
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组织，核蛋白，人正常胚胎，心脏。
Tissue, Nuclear Protein, Human Fetal Normal, Heart.
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他们现在正尝试着将此胚胎植入一个宿主动物中。
They are now trying toimplant the embryo into a host animal.
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胚胎将如何应对？
How will the embryo respond?
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胚胎将如何应对？
How will the embryo respond?
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