noun🔗Share凹陷，凹度。 The state of being concave"The spoon's concavity held the soup perfectly. "勺子的凹陷处完美地盛住了汤。appearancefigureChat with AIVocabulary GamePractice Reading
noun🔗Share凹陷，凹处 A concave structure or surface"The bowl's concavity allowed it to hold water without spilling. "这个碗的凹陷设计使得它能够盛水而不洒出来。structureappearancemathpartscienceChat with AIVocabulary GamePractice Reading
