Last Updated：2025/12/08
Sentence
地質学者たちは、古生代前期にさかのぼる堆積層から保存状態の良い三葉虫の化石を発見した。
Quizzes for review
Geologists discovered well-preserved trilobite fossils in sedimentary layers dating to the Lower Paleozoic Age.
See correct answer
Geologists discovered well-preserved trilobite fossils in sedimentary layers dating to the Lower Paleozoic Age.
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
