短语 | switch on |
释义 | switch on to turn on a machine, light, radio etc using a switch〔用开关〕开,打开:switch sth ↔ on •He switched the torch on.他打开手电筒。•When a tape is put in the VCR, it switches on automatically .录像带放进录像机后,它会自动播放。 |
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