详细解释:n. 铥
【化】 铥Tm
【医】 铥(69号元素)
词型变化：
简写符号:Tm英语解释：
名词 thulium:
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同义词：Tm, atomic number 69