| 单词 | 中间凹陷 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔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〔sag〕The roof is sagging in the middle.屋顶中间凹陷。韦氏高阶 |
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