Read Edit View history 镎 ná neptunium (Np) Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 镎/鎿 · ná · neptunium 2026/03/04 镎 / 鎿 ná neptunium neptunium (chemistry) 镎是一种放射性金属元素。 punctuation created sense Mar 4, 2026, 02:25 AM