研究者们发现除了一间教室外，所有教室都把投影仪挂于天花板上，屏幕垂直安装，这样的设置使问题更加严重。
The researchers found that all bar one of the classrooms they studied had equipment arranged in such a way as to exacerbate this problem, with projectors on the ceiling and screens mounted vertically.
我在教室后面发现四台计算机，一台喷墨打印机，还有一个至少用了15年的投影仪。
I counted four computers in the back of the room, an ink-jet printer, and an overhead projector that looked to be at least 15 years old.
安德森坐在教室前面的椅子上，在液晶显示投影仪上写着选词填空的句子。
Anderson perches in a chair at the head of the class, writing sentences on an LCD projector with a blank in the middle for the girls to fill in from a list of vocabulary words.
应用推荐