knot of umbilical cord
美 [nɑːt əv ʌmˈbɪlɪkl kɔːrd]英 [nɒt ɒv ʌmˈbɪlɪkl kɔːd]
- 网络脐带打结
knot of umbilical cord
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knot theory
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Knowledge Automation
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Knowledge link
Knowledge management system
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Knee-jerk Reflex
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KJ-2000