Read Edit View history 原子核 yuánzǐhé nucleus Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 原子核 · yuánzǐhé · nucleus 2026/03/04 原子核 yuánzǐhé nucleus atomic nucleus 原子核由质子和中子组成。 noun created sense Mar 4, 2026, 02:25 AM