| 单词 | terbium metal |
| 释义 | terbium metal (extremely rare) n WORD FAMILY terbium metal n a separate group of related lanthanides, including terbium, europium, gadolinium, and sometimes dysprosium Hyper lanthanide, lanthanoid, lanthanon, rare earth, rare-earth element any element of the lanthanide series (atomic numbers 57 through 71) |
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