The lack of a common language made it very difficult to intercommunicate ( with each other ).缺乏共同语言很难 ( 相互 ) 联系.The lack of a common language made it very difficult to intercommunicate.缺乏共同语言很难联系.Finally the paper illust...
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...