Tm
英[ˌtiː'em]
美[ˌtiː'em]
- abbr.商标(=Trademark)
详细释义
Noun:
-
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
相关词汇
- thulium 铥(稀土金属元素...
【近义词】
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