“glacial period”的概念、定义、翻译、参考文献-科学参考

单词	glacial period
释义	glacial period [¦glā·shǝl `pir·ē·ǝd] ^GEOLOGY 1. Any of the geologic periods which embraced an ice age; for example, the Quaternary period may be called a glacial period. 2. Generally, an interval of geologic time which was marked by a major equatorward advance of ice.
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