First, why do we get light propagating at all?首先, 我们来看看光为什么可以传播?The model shows a wave propagating from left to right through air.该模型表明,波从左至右通过空气.What are the pigeons doing outside? Eating, sleeping, propagating!门外的那些鸽子在...
What are the pigeons doing outside? Eating, sleeping, propagating!门外的那些鸽子在干什么? 吃, 睡, 繁衍!The model shows a wave propagating from left to right through air.该模型表明,波从左至右通过空气.First, why do we get light propagating at all?首先, ...
Fireflies give off flashes of light when they fly at night.萤火虫夜间飞行时发出闪光.Fireflies sparked in the darkness.萤火虫在黑暗中发光.The stars are not afraid to appear like fireflies.群星不怕显得象萤火那样....
On paper, I am the healthiest man alive, yet I feel permanently unwell.理论上，我是活着的最健康的人，但是我总感觉不舒服。Swimming is one of the healthiest forms of exercise.游泳是最有益于健康的运动方式之一.Who is the healthiest person in your family?在你家里,谁是最健康的...
The judge shook his head irritably and Juicks hushed.法官生气地摇摇头，朱克斯安静下来。He lost his temper and snapped irritably at the children.他发火了,暴躁地斥责孩子们." Put down that tray and come lace me tighter,'said Scarlett irritably." 把...
Ha, presented three quarrels probably , on backless stool's people have stood.哇噢, 好象出现了三次争吵,板凳上的人都站了起来.Open - Toed or Backless Shoes: And mules a definite no - no.露趾的或者无后跟的鞋子: 拖鞋是绝对不能穿的.Right wing, left wing, on 442...
an indigent wine-drinking alcoholic穷困的酒鬼be indigent of全无...His single - mindedness was forged in indigent childhood.童年的贫苦生活养成了李明博坚定的性格.indigent people穷人...