名词中文翻译
中文翻译：示踪剂
同义词：
['tracer', 'tracer substance', 'tracer element']
例句：
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1.The scientists used a tracer to study the movement of water in the river.
科学家们使用示踪剂来研究河水中水流的运动。
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2. The tracer showed that the oil had spread far beyond its original location.
示踪剂显示石油已经扩散到它原来位置的很远。
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3. The tracer helped us to locate the missing person.
示踪剂帮助我们找到了失踪的人。