blood vessels of umbilical cord
blood vessels of umbilical cord 脐带血管 circulor of umbilical cord 脐带绕颈 ..
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blood vessels of umbilical cord
脐带的血管
以上为机器翻译结果,长、整句建议使用 人工翻译 。
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The foetus can now grab and pull the long umbilical cord. The skeleton consists mainly of flexible cartridge. A network of blood vessels is visible through the thin skin.
现在的胎儿能够抓住并拉扯长的脐带。这时候,他的骨架主要由松散的骨头连接。透过薄薄的皮肤,可以看到其血管网络。
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