Read Edit View history 铯 sè cesium Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 铯/銫 · sè · cesium 2026/03/04 铯 / 銫 sè cesium the chemical element cesium 铯是一种极活泼的金属元素。 punctuation created sense Mar 4, 2026, 02:25 AM