凹的英文

实用例句

• 小汽车的前面有一个凹痕。
  The front of the car has a dent in it.
• 凹圆形凹陷的线脚
  A concave molding.
• 这辆汽车後部在碰撞中造成很大的凹陷。
  The back of the car was badly dented in a collision.
• 飞檐的凹圆线脚截面近于九十度弧的凹线脚
  A concave molding with a cross section that approximates a quarter circle.
• 正象双凸透镜可以放大那样，双凹透镜也可以缩小。
  Just as a double convex lens enlarges, so a double concave lens reduces.
• 他的样子在凹镜里显得非常可笑。
  His figure looks very funny in the concave mirror.