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单词 thallium
释义

thallium

Word family  adjectivethallicthallousnounthallium
thal·li·um /ˈθæliəm/ noun [uncountableU]  
a soft blue-white metal that is poisonous, used in photoelectric cells and to kill rats, mice, and insects. It is a chemical element: symbol Tl 铊〔一种化学元素,符号为Tl〕
Examples from the Corpus
Origin thallium
(1800-1900) Modern Latin Greek thallos “new green plant part”; because it has a bright green line in its spectrum
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更新时间:2026/10/10 15:57:27