| 单词 | atomic number 70 |
| 释义 | atomic number 70 (extremely rare) n WORD FAMILY atomic number 70 n a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime Syn|Hyper Yb, ytterbium metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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