Read Edit View history 脊索 jǐsuǒ notochord Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 脊索 · jǐsuǒ · notochord 2026/03/04 脊索 jǐsuǒ notochord notochord (anatomy) 脊索是脊索动物胚胎发育过程中的一个支撑结构。 noun, expression created sense Mar 4, 2026, 02:25 AM