Last Updated
：2025/08/27
arduo
（ feminine ）
（ masculine plural ）
（ feminine plural ）
Quizzes for review
El proyecto de investigación fue un arduo reto para el equipo.
See correct answer
その研究プロジェクトはチームにとって非常に困難な挑戦でした。
See correct answer
El proyecto de investigación fue un arduo reto para el equipo.
Spanish - Japanese
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