Last Updated
：2025/12/07
ECA
Sense（1）
Sense（2）
（ plural ）
Quizzes for review
(nautical) Initialism of emission control area. / (education) Initialism of early career academic.
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
ECA
Before entering the harbor, the captain checked the latest fuel requirements for the ECA.
See correct answer
Before entering the harbor, the captain checked the latest fuel requirements for the ECA.
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
