The elements which have been studied most are those from gadolinium to thulium.
研究得最多的是从钆到铥之间的元素.
辞典例句
Polymetallicacetate is a kind of polynuclear metal complex with aluminum and thulium.
该多金属醋酸盐是一种含铝和稀土的多核金属配合物.
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英英释义
Noun
1. a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime