rec

1.a rec room; a rec hall.

一间娱乐室；一个娱乐厅

2.a slightly receding chin.

稍微向后倾斜的下巴。

3.Fred was receding a bit.

弗雷德开始有顶。

4.a hairline that had receded;

已后缩的发缘线；

5.his footsteps receded down the corridor.

他的脚步沿着走廊渐渐远去。

6.his dark hair was receding a little.

他的乌发开始有向后脱落。

7.the flood waters had not receded and the situation was still critical.

洪水没有减退，况仍很危急。

8.The receding tide pooled in hollows along the shore.

潮水退去后留下的小水洼

9.As we gained height, the ground receded from view.

随着我们向空中升起, 地面慢慢从视野中消失。

10.The premise of designing and creatin g Chongqing's tourism image is to rec ognize its advantages and keystone o f devel-opment.

设计和庆旅游形象的前提,是找出自己的优势和发展。

11.The coma aberation and astigmation are rec t ified through carefully selecting the position of aperture stop and the paramete rs of the quadratic surface.

仔细选取系统的光阑位置，选取二次曲面的系数及二次曲面的位置，可以校正系统的参差及像散。