英语词汇“oceanic trench”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	oceanic trench
释义	oceanic trench oceanic trench n (Geological Science) a long narrow steep-sided depression in the earth's oceanic crust, usually lying above a subduction zone oceanic trench A deep, narrow trough in an ocean floor.
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