Last Updated:2025/11/21
Sentence
研究者たちは、放射性試料からのアルファ崩壊を測定して、その半減期を決定した。
Quizzes for review
Researchers measured the alpha emission from the radioactive sample to determine its half-life.
See correct answer
Researchers measured the alpha emission from the radioactive sample to determine its half-life.
音声機能が動作しない場合はこちらをご確認ください
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
