英语词汇“sea-floor spreading”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	sea-floor spreading
释义	sea-floor spreading (sēflôr′) n. In the theory of plate tectonics, the process by which new oceanic crust is formed by the convective upwelling of magma at mid-ocean ridges, resulting in the continuous lateral displacement of existing oceanic crust.
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英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。