Quizzes for review
When threatened, the sea hare expelled a cloud of opaline to confuse the predator.
See correct answer
When threatened, the sea hare expelled a cloud of opaline to confuse the predator.
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
opaline
Noun
countable
uncountable
Japanese Meaning
海に生息するウミウシ（アプライシア属）が分泌する、透明または白色の液体。水と接触すると粘性が増す。 / （鉱物学）オパールに似た鉱物の総称。黄色のチャルセドニーを含む種類もある。
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
