a curve

• Nothing yet . there ' s a curve in the tunnel up ahead . though
  没什么异常，不过前面的隧道有一道弯
• Creates seven points to define a curve
  创建定义曲线的七个点。
• Smile : a curve that can set a lot of things straight
  （微笑：让许多事情的进展路径变直的曲线。 ）
• A curved mirror distorts the features
  弯曲的镜子使容貌变形。
• Analysis of a curved double - layer cable - stayed pedestrian bridge
  双层索系曲线斜拉步行桥的结构分析
• This world is a curved shell
  有人说：直世界，这个世界是弯！
• But this one has a curve here
  但是它却在这里转了个弯。
• To show this motion , she traced a curve inside the circle ( fig . 1 )
  为了表现运动，她花了一条曲线在圆里。
• The path of an arrow is a curve
  箭的走势是一条曲线。
• Make a curved straight world fortress
  做弯直世界城堡