erbium angolul

Cseh	Angol
erbium noun	erbium(chemical element) noun [UK: ˈɜː.biəm] [US: ˈɝː.biəm]
terbium noun	terbium(chemical element) noun [UK: ˈtɜː.bɪəm] [US: ˈtɜːr.biːəm]
ytterbium noun	ytterbium(chemical element) noun [UK: ɪ.ˈtɜː.bjəm] [US: ɪ.ˈtɜːr.biːəm]

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