noun🔗Share凹状The state of being concave"The spoon's concavity held the soup perfectly. "スプーンの凹状がスープを完璧に保持した。appearancefigureChat with AIVocabulary GamePractice Reading
noun🔗Share凹面, 凹状A concave structure or surface"The bowl's concavity allowed it to hold water without spilling. "ボウルの凹面は、水をこぼさずに保持することを可能にした。structureappearancemathpartscienceChat with AIVocabulary GamePractice Reading
