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ionium [aɪ'əunɪəm] n
agric. (Th,90 号元素)
earth.sc. (社的同位素 Th²³⁰)
met. 锾 Io; 钍-230 (Th230)
space (化学元素,符号 lo,钍的一种同位素,钍-230)
Ionium [aɪ'əunɪəm] n
gen. ; 钍230
 English thesaurus
ionium [aɪ'əunɪəm] abbr.
abbr. Th230
ionium: 11 phrases in 2 subjects
Oil / petroleum5
Technology6