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concave

US [kɑnˈkeɪv]
UK [ˈkɒnkeɪv]
  • n.
  • adj.凹的;凹面的
  • v.把…弄成凹(面)
  • Web凸;凹形;凹曲线
concave
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adj.
1.
凹的;凹面的curving in
a concave lens/mirror
凹透镜;凹镜

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
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