中英词典查询

concave [kɑ:nˈkeɪv]

n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
复数：: concaves 过去式：: concaved 过去分词：: concaved 现在分词：: concaving 第三人称单数：: concaves
[反义词] 内凹的: convex

例句:

  • The graph of a concave function is always below its tangent.
    一个凹函数的图象总在它的切线的下方.
  • The palm of one's hand is slightly concave.
    人的手掌是微凹的.
  • The cloven hooves are sharp edged , elastic and concave.
    蹄锋利,呈凹形, 富有弹性.
  • I would look in the rearview mirror, which in those days was concave.
    来自NEWYORKER
  • SECONDLY, he does not mention any existing creatures that just have the concave opening around the light spot.
    来自SA
  • Metal is taken off and the knife becomes concave unless you know what you are doing.
    来自THETIMES