单词
isotope
读音
ˈaɪsətoʊp
美式
英式
词根
无
释义
n. 同位素 [ 复数 isotopes ]
例句
As an indicator of shifts in the Earth's climate, the isotope record has two advantages.
作为地球气候变化的指标，同位素记录有两个优势。
Thus, more of the heavy isotope is left behind in the ocean and absorbed by marine organisms.
因此，更多的重氧同位素留在了海洋里，并被海洋有机物吸收。
Almost all the oxygen in water is oxygen 16, but a few molecules out of every thousand incorporate the heavier isotope 18.
水中几乎所有的氧都是氧16，但每一千个分子中就有几个含有较重的同位素18。
As an indicator of shifts in the Earth's climate, the isotope record has two advantages.
作为地球气候变化的指标，同位素记录有两个优势。
Thus, more of the heavy isotope is left behind in the ocean and absorbed by marine organisms.
因此，更多的重氧同位素留在了海洋里，并被海洋有机物吸收。
Almost all the oxygen in water is oxygen 16, but a few molecules out of every thousand incorporate the heavier isotope 18.
水中几乎所有的氧都是氧16，但每一千个分子中就有几个含有较重的同位素18。
强化记忆
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This impact turns oxygen-18 into fluorine-18,a radioactive isotope that can be detected on a PET scan.In a little under two hours,
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