Read Edit View history 电子云 diànzǐyún electron cloud Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 电子云/電子雲 · diànzǐyún · electron cloud 2026/03/04 电子云 / 電子雲 diànzǐyún electron cloud the region of negative charge surrounding an atomic nucleus 原子核外分布着电子云。 created sense Mar 4, 2026, 02:25 AM