Last Updated：2025/12/04
Sentence
Quizzes for review
After testing revealed impurities, the engineers decided to re-refine the alloy before production.
See correct answer
After testing revealed impurities, the engineers decided to re-refine the alloy before production.
音声機能が動作しない場合はこちらをご確認ください
Related words
re-refine
Related Words
（ present singular third-person ）
（ participle present ）
（ participle past ）
（ past ）
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
