“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	wrecking ball wrecking bar wrecking strip wren wrench wrench fault wrench-head bolt Wright's inbreeding coefficient Wright's phenomenon Wright system Wright telescope wringing fit wrinkle ridge wrinkling wrist wrist breadth wrist pin wrist socket wrist thickness writable control storage write write enable ring write error write head write inhibit ring

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