Lights reflected off dust-covered walls creating a ghostly luminescence.灯光照在满是灰尘的墙上，反射回苍白的冷光。With good light collection, about 30 % of the luminescence quanta may reach the photocathode.在良好的光收集条件下, 约30%的荧光量子可以到达光阴极.cryst...
Lights reflected off dust-covered walls creating a ghostly luminescence.灯光照在满是灰尘的墙上，反射回苍白的冷光。The thing of luminescence all is not a gold.发光的东西不都是黄金.With good light collection, about 30 % of the luminescence quanta may re...
Most of my accomplishments came as the result of sheer doggedness.我大多数的成就纯粹是坚持不懈的结果。By any standards, the accomplishments of the past year are extraordinary.不管以哪种标准来衡量，过去一年都成果斐然。It was one of the President's greates...
The local people are very hospitable to strangers.当地人对外来客人十分友好热情。Her neighbours spoke of her as kindly and hospitable.她的邻居都说她和蔼可亲、热情好客.They are very hospitable.他们很好客....