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海沟
hǎi​gōu

ocean trench

Definitions Defs Origin Strokes Stroke Words Sentences Sents
  • 大海沟 dà​hǎi​gōu oceanic trench
    marine trench
  • 马里亚纳海沟 Mǎ​lǐ​yà​nà Hǎi​gōu Mariana Trench