Last Updated
：2025/11/26
Quizzes for review
A mineral that contains one or more rare earth elements as major metal constituents.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
rare earth mineral
The company's new factory will process the rare earth mineral extracted from the mountain to supply components for electric vehicles.
See correct answer
The company's new factory will process the rare earth mineral extracted from the mountain to supply components for electric vehicles.
音声機能が動作しない場合はこちらをご確認ください
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
