Last Updated：2025/11/20
Sentence
実験の実演中、指導者は汚染を避けるために長いトングでアルファ粒子を放出する放射性物質を扱った。
Quizzes for review
During the laboratory demonstration, the instructor handled an alpha emitter with long tongs to avoid contamination.
See correct answer
During the laboratory demonstration, the instructor handled an alpha emitter with long tongs to avoid contamination.
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