Read Edit View history 洋脊 yángjǐ mid-ocean ridge Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 洋脊 · yángjǐ · mid-ocean ridge 2026/03/04 洋脊 yángjǐ mid-ocean ridge mid-ocean ridge 海底扩张通常发生在洋脊处。 noun created sense Mar 4, 2026, 02:25 AM