Last Updated：2025/11/24
Sentence
天文学者は長周期彗星がオールトの雲に由来すると考えている。
Quizzes for review
Astronomers believe that long-period comets originate in the Oort cloud.
See correct answer
Astronomers believe that long-period comets originate in the Oort cloud.
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
Oort cloud
Related Words
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
