名词
中文翻译：同位素特定活性
同义词：
["isotope-specific activity例句：1. The study of isotopes is crucial for understanding the Earth's history.（研究同位素对于理解地球历史至关重要。）2. The team used isotopes to track the movement of water in the river.（该团队使用同位素来追踪河流中水的运动。）"]
例句：
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1. The study of isotopes is crucial for understanding the Earth's history.
研究同位素对于理解地球历史至关重要。
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2. The team used isotopes to track the movement of water in the river.
该团队使用同位素来追踪河流中水的运动。
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3. The isotopes were analyzed to determine the source of the mineral.
对这些同位素进行了分析，以确定矿物的来源。