英语词汇“seif dune”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	seif dune
释义	Collins Concise English Dictionary © HarperCollins Publishers:: seif dune /seɪf/ n (in deserts, esp the Sahara) a long ridge of blown sand, often several miles long Etymology: seif, from Arabic: sword, from the shape of the dune
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