concave

过去式：

动词过去式: concaved

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：

Concave on both surfaces;biconcave.

双面均凹进的；

In adults its contour may be straight, slightly concave or slightly convex.

成人肺其形状可以是直的，轻微凹下或轻度突出。

An indented or concave surface or area.

凹陷，洼地凹的表面或地区

A large curtain or wall,usually concave,hung or placed at the rear of a stage.

半圆形天幕，透视背景巨大的幕布或围墙，通常为凹形，挂或放在舞台后面

The next wave would lift those objects up to its steep concave slope.

跟着涌来的浪头又把这些物品举到了那高高的浪峰上。

Is it the concave silver mace in legend?

这就是传说中的凹面银锏？

Just as a double convex lens enlarges,so a double concave lens reduces.

正象双凸透镜可以放大那样，双凹透镜也可以缩小。

Achenes lenslike, one side slightly concave, apex ridged.

瘦果透镜状，一边稍微凹，顶成脊状的。

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。