Please turn the lights, funs and computers off when you leave the classroom.
when leaving the classroom, please turn off the light, the fans and the computers.
Sweep the floor. Open the window Close the window. Turn on the light. Turn off the light. turn on the fan. Turn off the fan
Please turn off all the lights,fans and computers before you leave the classroom.
电风扇的英文：electricfan。electricfan读法英[i_lektrikf_n]美[__l_ktr_kf_n]短语：electricexhaustfan电排气扇;电动排气扇electricblowerfansystem电风机系统例句：ElectricFan,Powerfulfan,VentilatingFan,etc.areourmainproducts.电风扇，强力风扇，换气扇等，是我们主要的产品。
Turn off the lights, electric fans, computers and so on before leaving classroom.
Turn off the lights and the electric fan when you leave the classroom .
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