Last Updated：2025/12/05
Sentence
その研究室は歴史的な化学実演で使うために、グラウバー塩（硫酸ナトリウム十水和物）の小さなバイアルを保管していた。
Quizzes for review
The laboratory stored a small vial of horse salt for use in historical chemistry demonstrations.
See correct answer
The laboratory stored a small vial of horse salt for use in historical chemistry demonstrations.
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