Read Edit View history 稀土元素 xītǔyuánsù rare earth element Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 稀土元素 · xītǔyuánsù · rare earth element 2026/03/04 稀土元素 xītǔyuánsù rare earth element rare earth element (chemistry) 这种矿石富含稀土元素。 created sense Mar 4, 2026, 02:25 AM