Read Edit View history 原子堆 yuánzǐduī atomic pile Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 原子堆 · yuánzǐduī · atomic pile 2026/03/04 原子堆 yuánzǐduī atomic pile atomic pile (original form of nuclear reactor) 费米在芝加哥大学建造了世界上第一座原子堆。 noun created sense Mar 4, 2026, 02:25 AM