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{ oldDay = new Date(y+"/"+m+"/"+d);
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| 単語 / 【 ID 】
意味 / 例文 /同義語/上位語/下位語/派生語 |
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radium
![]() SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 140973 】 【意味】 "[名詞] an intensely radioactive metallic element that occurs in minute amounts in uranium ores [例] Radium is a radioactive element. [例] Radium is a very dangerous substance. [例] They wanted to know how much radium was in the ore. [意味] ラジウム ; [同義語] atomic number 88, Ra ; [上位語] metal, metallic element ; [同義語群] 14651921-n" |