| 单词 | concavity |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔concavity〕The lower back forms a concavity.背下部形成一个凹形。韦氏高阶〔dish〕The degree of concavity in such a depression.凹陷，凹度：这种凹陷的程度美国传统〔entasis〕A slight convexity or swelling, as in the shaft of a column, intended to compensate for the illusion of concavity resulting from straight sides.柱中微凸线：为了抵消因为直边所造的中间凹陷幻觉，而在梁柱上放置的小隆凸美国传统〔socket〕A hollow or concavity into which a part, such as the eye, fits.穴孔：容纳一个部分，例如眼睛的空洞或凹陷美国传统 |
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