thorium
n.
[化]釷（符號Th；原子序90）
英語翻譯 Noun:
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a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
造句
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thorium tetrachloride
氯化釷
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thorium family
釷系核素, 釷族...
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thorium carbide
碳化釷
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thorium nitrate
硝酸釷
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thorium ore
釷礦
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thorium breeder
釷增殖堆
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thorium fluoride
氟化釷
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thorium emanation
釷射氣
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thorium oxalate
草酸釷
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thorium nitride
氮化釷
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thorium dioxide
二氧化釷
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thorium series
釷系
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thorium hydroxide
氫氧化釷
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thorium pyrophosphate
焦磷酸釷
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thorium oxide
氧化釷,二氧化釷...
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