“Lower Cambrian”的概念、定义、翻译、参考文献-科学参考

单词	Lower Cambrian
释义	Lower Cambrian [`lō·ǝr `kam·brē·ǝn] ^GEOLOGY The earliest epoch of the Cambrian period of geologic time, ending about 540,000,000 years ago.
随便看	thymidine thymidylic acid thymine thymocyte thymol thymol blue thymol blue method thymol iodide thymolphthalein thymoma thymopharyngeal duct thymosin thymus gland thyratron thyratron gate thyratron inverter thyrector Thyrididae thyristor thyrocalcitonin thyroglobulin thyroglossal cyst thyroglossal duct thyroid thyroid cartilage

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