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earth science

noun
🔊/ˈɜːθ saɪəns/
🔊/ˈɜːrθ saɪəns/
 [countable, uncountable]
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  1. a science that involves studying the earth or part of it. Geography and geology are both earth sciences. 地球科学，地学（涵盖地理学和地质学）compare life science, natural scienceTopics Scientific researchb2