名词
中文翻译:同位素
同义词:
['isotope', 'isotope']
例句:
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1. Thescientists discovered a new type of element thathas not been found before.
科学家们发现了一种之前未被发现的新元素。
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2. This isotope has a differentchemical property than the other elementsin the same group.
这种同位素与同一族中其他元素的化学性质不同。
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3. The isotope ratios canbe used to determine the age of rocksand minerals.
同位素比可以用来确定岩石和矿物的年龄。