Read Edit View history 大海沟 dàhǎigōu oceanic trench Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 大海沟/大海溝 · dàhǎigōu · oceanic trench 2026/03/04 大海沟 / 大海溝 dàhǎigōu oceanic trench marine trench 马里亚纳海沟是世界上最深的大海沟。 created sense Mar 4, 2026, 02:25 AM