英语词汇“middle cretaceous”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	middle cretaceous
释义	DictionarySeeCretaceous Middle Cretaceous Middle Cretaceous [′mid·əl krə′tā·shəs] (geology) The geologic epoch between the Upper and Lower Cretaceous, beginning approximately 120,000,000 years ago.
随便看	premature infant premature infant pain profile premature infants premature junctional beat premature junctional complex premature junctional contraction premature junction contraction premature labor premature labour premature luteolysis prematurely prematurely condensed chromosomes premature male pattern baldness premature membrane rupture premature menopause premature mitral valve closure prematureness premature newborn premature occlusive arterial disease premature opening eyelid premature optimization is the root of all evil premature ovarian aging premature ovarian failure premature ovarian failure 1 premature ovarian failure support group

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Middle Cretaceous