音标:['kɒnkeiv] ;
a. 凹的
[医] 凹的, 凹面的
a. curving inward
词型变化:名词复数形式 : concaves
考试类型:[托福/GRE]
词性分布:
形容词100%

concave的用法和样例:

例句

用作形容词(adj.)
  1. The palm of one's hand is slightly concave.人的手掌是微凹的。
  2. A cylinder is a hollow tube with a closed concave base that permits it to stand upright.钢瓶是中空的管道,封闭的底部是凹入的,这样可以直立起来。
  3. His figure looks very funny in the concave mirror.他的样子在凹镜里显得非常可笑。
用作名词(n.)
  1. These are aberration-corrected holographic concave gratings.下表所列为像差校正全息凹面光栅。
  2. The cloven hooves are sharp edged, elastic and concave.蹄锋利,呈凹形,富有弹性。
  3. This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。

词汇搭配

  • concavo-concave两凹的
  • convexo-concave半凸半凹面的...
  • plano-concave平凹的
  • concave joint凹缝
  • concave edge凹边,凹面
  • concave mirror[物]凹透镜
  • concave bottom凹板分组,凹底...
  • concave bit凹形凿,凹形钻头...
  • concave curve凹曲线
  • concave tile凹瓦
  • concave slope凹坡
  • concave curvature凹曲度
  • concave bank冲刷河岸,凹岸...
  • concave surface凹面
  • concave plane凹底刨,凹平面...
  • concave grating凹光栅
  • concave weld凹焊缝,轻型焊,凹面...
  • concave saw凹面锯,蝶式圆锯...
  • concave cutter凹半圆成形铣刀,凹半...
  • concave lens凹透镜
【近义词】
【反义词】

汉字是由笔画构成的。笔画是书写工具在书写面上的运动,大概有三十种不同类型,有些是基本笔画,有些是复杂笔画。笔画对学习汉字以及书法都有重要作用。下面分别说明。注意,笔画的

发表于:2019-02-14 / 阅读(520) / 评论(0) 分类 英文语法词汇
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