concave

名词：

名词: concaveness

更多词形：

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 |

单词例句：

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 open, generally shallow concave container for holding or serving food.

碟，盘一种无遮盖的、通常是浅的凹形容器，用来盛或上饭菜

Seed face deeply concave or sulcate.

深深的种子表面凹或者具槽。

Concave on one side and convex on the other.

一面凹进一面凸起的

Convex and concave for gripping must be distributed reciprocally in this range.

在此范围内，用于夹持的凹凸处必须一一对应分布。

Ovary ellipsoid to ovoid-globose, without concave nectaries.

球状子房椭圆形的到卵球形，没有凹陷蜜穴。

Application: Heat fin, mainframe shell, concave and convex glass and etc.

适用:散热片.主机外壳.主机外壳.凸玻璃.平玻璃...等。

Petals 3, concave, imbricate in bud.

花瓣3，凹，在芽中覆瓦状。