Last Updated：2025/11/20
Sentence
科学者たちは汚染が下流へどのように移動するかを調べるために、コンゴ民主共和国の川に沿って堆積物のサンプルを採取しました。
Quizzes for review
Scientists collected sediment samples along the Ebola River to investigate how pollution travels downstream.
See correct answer
Scientists collected sediment samples along the Ebola River to investigate how pollution travels downstream.
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
