Read Edit View history 砹 ài astatine Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 砹 · ài · astatine 2026/03/04 砹 ài astatine astatine (chemistry) 砹是一种极罕见的放射性元素。 punctuation created sense Mar 4, 2026, 02:25 AM