the longest element
双语例句原声例句
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A radioactive transuranic element in the actinide series, artificially produced in trace amounts. Its longest-lived isotope is No255 with a half-life of3 minutes. Atomic number102.
锘在锕类元素中的一种放射性超铀元素，人工微量制造，其最长寿命的同位素是锘255，其。
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And this will have to go up before The International Union of Pure and Applied Chemistry before they approve it because they fought over element 106 for the longest time, but I think this will go through fairly quickly.
但还是要往上申请,直到国际纯粹与应用化学联合会,因为同意,他们为106号元素抗争了很久，但我想这个应该会很快通过。
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