turn on 打开（水、电视、收音机、灯、煤气等） I want to turn on the television. 我想开电视。 She asked them why they hadn't turned the lights on. 她问他们为什么不开灯。 Let me turn on the air conditioning. 我把空调打开吧。 I turn on my bedside radio. 我打开床边的收音机。 Turn on the computer by pressing this button. 按这个按钮就可启动计算机。
