单词 | isotope |
释义 | i·so·tope ![]() n. One of two or more atoms having the same atomic number but different mass numbers. [ISO- + Greek topos, place (so called because the isotopes of a chemical element occupy the same position in the periodic table of elements).] i′so·topic (-tŏpĭk) adj. i′so·topi·cal·ly adv. |
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