The winning entrant received tickets to the theatre.获胜者得到了剧院的入场券....a young school entrant.年轻的新生He applied for entrant to university 3 years ago.3年前他申请参加大学入学考试。another new entrant into the multimedia market多媒体市场的另一个新成员Al...
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...