Read Edit View history 镄 fèi fermium Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 镄/鐨 · fèi · fermium 2026/03/04 镄 / 鐨 fèi fermium fermium (chemistry) 镄是一种人工合成的放射性金属元素。 punctuation created sense Mar 4, 2026, 02:25 AM