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function newMark(y,m,d)
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isotope
![]() SimpleWikiWiktionaryGoogle検索CollinsCambridgeLongmanLongman英和Learners 【 135858 】 【意味】 "[名詞] one of two or more atoms with the same atomic number but with different numbers of neutrons [例] The isotope of hydrogen is called deuterium. [例] Isotopes are atoms with the same number of protons but different numbers of neutrons. [例] They are isotopes of the same element. [意味] 同位体, 同素体, 同位元素, アイソトープ, 原子核, 原子番号, 放射性同位体, 放射性同位元素 ; [上位語] atom ; [下位語] radioisotope, heavy hydrogen, deuterium ; [派生] isotopic ; [同義語群] 14619658-n" |