The walls and ceilings of contemporary auditoriums usually conceal light, sound, and air - conditioning equipment .当代观众厅的墙壁和天花板常设灯光 、 音响以及 空调设备.The interior follows an exceedingly compact plan of different types and size...
They erected a television antenna on the roof.他们在屋顶上架起了电视天线.In our village, there is an antenna on every roof for receiving TV signals.在我们村里, 每家房顶上都有天线接收电视信号.Extended the radio antenna.把收音机的天线拉到最长。...