| 释义 |
isotopes 英'aɪsətəʊps美'aɪsətəʊps COCA³⁴⁷⁹²BNC²⁷⁸⁴⁸Economist³⁴³¹⁸⁺³
基本英英例句例句
n.同位素⁹⁹名词isotope的复数形式¹.原型isotope的三单
名词 isotope:
one of two or more atoms with the same atomic number but with different numbers of neutrons用作名词Later he named these separate formsisotopes.后来他称这些不同的形式为同位素。
Tritium is one of the mildest radioactiveisotopes.氚是辐射最和缓的放射性同位素之一。 They are proud of having developed a workable bomb and built their own reactors, despite sanctions that prevented them from importing technology or from attending conferences to discuss isotopes.
他们对研发成功可使用的核弹并建造自己的反应堆感到自豪，尽管之后的制裁阻止他们输入技术并出席讨论同位素的会议。 ecocn
Willbold and his colleagues concentrated on investigating the ancient Greenland rocks for isotopes of tungsten, a metal that, like gold, has an affinity for bonding with iron.
维尔博尔德和他的同事们集中研究了古代格陵兰岩石里钨的同位素，它们同黄金一样，也具有粘接铁的吸引力。 yeeyan |