ytterbium
ytterbium[ɪˈtəːbɪəm]noun- [mass noun]the chemical element of atomic number 70, a silvery-white metal of the lanthanide series(Symbol: Yb)
镱(符号:Yb)
语源- late 19th cent.: modern Latin, from Ytterby, the name of a Swedish quarry where it was first found
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