英语词汇“ocean 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	ocean trench
释义	ocean trenchˌocean ˈtrench noun [countable] earth science a long narrow valley in the ground beneath the ocean
随便看	observatory observe observer obsess obsession obsessional obsessive obsessive-compulsive obsessively obsidian obsolescence obsolescent obsolete obstacle obstacle course obstetric obstetrician obstetrics obstinacy obstinate obstinately obstreperous obstruct obstruction obstructionism

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