convex [ˈkɑ:nveks]

例句:

• I wouldn't say your stomach was big — it's just slightly convex.
  我不会说你的肚子大——它只是有点凸出.
  
• Its convex border should project far into the right lower lung field.
  其凸出缘应深深地突入右下肺野内.
  
• A convex lens is used to concentrate rays of light.
  凸透镜用于聚集光线.
  
• How do you cut a square into convex pentagons?
  来自NEWYORKER
• This huge convex of Fire...immures us round Ninefold.
  来自Milton
• Convex Trixi mirrors would help drivers to see cyclists hidden in their blind spots.
  来自THETIMES