“Upper Cretaceous”的概念、定义、翻译、参考文献-科学参考

单词	Upper Cretaceous
释义	Upper Cretaceous [`ǝp·ǝr kri`tā·shǝs] ^GEOLOGY The late epoch of the Cretaceous period of geologic time, beginning about 90 million years ago.
随便看	hard bronze hard-burned brick hardcap hard chromium hard cider hard coal hard-coal plough hard code hard-coded program hard copy hard cosmic ray hard crash hard data hard detergent hard disk hard-drawn wire hard edit hardenability hardened circuit hardened links hardened site hardened steel hardener hardener bath hardening

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