镧系元素 lánxìyuánsù lanthanides Definitions Defs Origin Strokes Stroke Words Sentences Sents 镧系元素 (鑭系元素) lánxìyuánsù lanthanides lanthanoid (rare earth series), comprising the 15 elements from lanthanum (57) to lutetium (71) Frequency Written text 0.016 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
镧系元素 (鑭系元素) lánxìyuánsù lanthanides lanthanoid (rare earth series), comprising the 15 elements from lanthanum (57) to lutetium (71) Frequency Written text 0.016 per million Sources Definitions CC-CEDICT Frequency data BCC Corpus (BLCU)
