Read Edit View history 镅 méi americium Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 镅/鎇 · méi · americium 2026/03/04 镅 / 鎇 méi americium americium (chemistry) 镅是一种人造的放射性金属元素。 punctuation created sense Mar 4, 2026, 02:25 AM