Last Updated
：2025/11/20
gestation period
（ plural ）
Quizzes for review
the average interval between fertilization and birth of a mammal; ranges from 13 days for the opossum to 626 days for the Indian elephant
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
gestation period
Researchers found that the gestation period in elephants can last nearly two years, allowing calves to develop fully before birth.
See correct answer
Researchers found that the gestation period in elephants can last nearly two years, allowing calves to develop fully before birth.
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
