白内障是一种影响晶状体透明性的疾病。Cataracts is a condition that affects the transparency of the lenses.硷金属卤化物能生长成具有优良透明性的大晶体.The alkali halides can be grown into large crystals of excellent transparency.仍然, 由于它所有的困难, 透明性通常比选择性更好.Still, ...
Dr Dunn was apparently trying to get away when he was shot.很显然，邓恩博士在遭枪击时正企图逃跑。Robert Dunn is a professor of economics at George Washington University.罗伯特·达恩是乔治·华盛顿大学经济学的教师。Mr Dunn's pleas of poverty are only partly ...
西班牙一种草本植物,轻薄的羽毛状圆锥花序,用作干花.Spanish grass with light feathery panicles grown for dried bouquets.这张图片中羽毛状的泡沫是在铝土废料中形成的.This photo a plume of foam in bauxite waste.羽毛状的尾巴卷在背后, 搭在身体一侧.The plumed tail is carried over the back,...