concave

['kɔn'keiv]

adj.凹的
n.凹面, 凹线,凹形

例句与用法：

A long stick with a concave attachment at one end for shoving disks in shuffleboard.

推铲一端带有凹头的长棒，用于在打圆盘游戏中推动圆盘

A concave molding with a cross section that approximates a quarter circle.

飞檐的凹圆线脚截面近于九十度弧的凹线脚

An indented or concave surface or area.

凹陷，洼地凹的表面或地区

His figure looks very funny in the concave mirror.

他的样子在凹镜里显得非常可笑。

词形变化：

副词: concavely | 名词: concaveness | 动词过去式: concaved | 动词过去分词: concaved | 动词现在分词: concaving | 动词第三人称单数: concaves |

详细释义：

a.

凹的, 凹面的

a concave mirror

凹镜

vt.

使成凹形

n.

凹面; 凹面物; 凹曲线[C]