Holmium:
Holmium is a chemical element with symbol Ho and atomic number 67. Part of the lanthanide series, holmium is a rare earth element.
en.wikipedia.org
钬:
钬（舊譯作錵）是一种化学元素，它的化学符号是Ho，它的原子序数是67，属于镧系元素，也是稀土元素之一。
zh.wikipedia.org
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Holmium钬