| 单词 | erbium |
| 释义 | erbium /err"bee euhm/, n. Chem. a rare-earth metallic element, having pink salts. Symbol: Er; at. wt.: 167.26; at. no.: 68. [1835-45; < NL, named after Ytterby, Sweden, where first found; see -IUM] |
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