moly cow
短语发音
UK
/ˈməʊli kaʊ̯/
其它
US
/ˈmoʊli kaʊ̯/
词形变化
moly cows
复数
moly cows
释义与例句
n.
-
1.
A device used to extract from a source of decaying molybdenum-99 the metastable isotope ⁹⁹ᵐTc of technetium, which is the most commonly used medical radioisotope.
非正式 化学 医学
词源
From moly (informal term for molybdenum) + cow. The word cow alludes to the fact that the device “milks” technetium-99m from molybdenum-99: see quotations.
来源:wiktionary