prism
n
1 solid geometric shape with ends that are parallel and of the same size and shape, and with sides that are parallelograms 棱柱(体).
2 transparent object of this shape, usu triangular and made of glass, which breaks up ordinary light into the colours of the rainbow 棱柱体透明物; (通常指)棱镜, 三棱镜. =>illus at spectrum 见 spectrum 插图.
🔁 扩展释义
*['prizm]n. 棱镜, 棱柱【化】 棱镜【医】 棱晶, 棱镜
🌿 同词根单词
polaradj. 极地的,两极的;正好相反的;[化,物]磁极的,有磁性的;
n. [几]极线,极面;
pokevt. 戳,捅;推;拨火;〈美俚〉打,殴;
vi. 刺,戳;刺探,干涉;伸出;闲逛;
n. 刺,戳;殴打;袋子;懒汉;
peakn. 山峰;最高点;尖端;帽舌;
vi. 达到高峰,达到最大值;消瘦;变憔悴;
adj. 最高的;最大值的;
pivotn. 枢轴;中心点,中枢;[物]支点,支枢;[体]回转运动;
vi. 在枢轴上转动;随…转移;
vt. 把…放在枢轴上;以…为核心;使绕枢轴旋转;由…而定;
adj. 枢轴的;关键的;
perchn. 栖息处;栖枝;高处;鲈鱼;
vi. (鸟)飞落,暂栖,停留;
vt.& vi. 栖息;停留;(使)坐;(使)坐在…边沿;
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.
I have got some wonderful news to tell you. I have been offered a scholarship at a university in Australia for my further education. One hundred and twenty-five students took exams for it, and I was one of the five to be chosen. However, my parents are tr