| 词组 | switch |
| 释义 | noun | verb switch1 noun a piece of equipment that starts or stops the flow of electricity to a machine, light etc when you push itnouns + switcha light switch He reached for the light switch.an on-off switch I couldn’t find the on-off switch.the power switch The power switch is on the side of the computer.a dimmer switch (=a switch that can change the brightness of a light) The lights in the lounge are on a dimmer switch.the mains switch (=one that controls the supply of electricity to a house) The mains switch is located inside a cupboard near the front door.verbspress a switch He pressed a switch on the wall and the door opened.flick/flip a switch (=move it so something starts or stops) You start the fan by flipping this switch.throw a switch (=move it so something starts or stops, especially something big) Could a nuclear war really be started by someone just throwing a switch?turn on/off a switch I turned off the switch and the whole room went dark.prepositionsthe switch for sth Where’s the switch for the air conditioning?phrasesat the flick/touch of a switch (=very quickly and easily, with a switch) On sunny days, the car roof folds back at the flick of a switch. noun | verb switch2 /swɪtʃ/ verb 1. to make something start or stop working, by pressing somethingprepositions/adverbsswitch sth on Can you switch the television on?switch sth off Don’t forget to switch off the computer.switch out the light Wycliffe opened the door and waited for her to switch out the lights.2. to change from doing or using one thing to doing or using anotheradverbsswitch easily/simply Customers can easily switch from one supplier to another.switch back and forth (=repeatedly from one thing to another then back) The actor seems uncertain of his accent, switching back and forth between Scottish and Irish.switch seamlessly (=so that the change is not noticed) The film switches suddenly and seamlessly from comedy to drama.nounsswitch sides (=start supporting someone or something else) Three senators switched sides and voted against the president.switch (your) allegiance (=start supporting someone else) Most of his supporters had switched their allegiance to his rival.switch channels (=start watching a different TV channel) He quickly switched channels to avoid seeing the result of the game.switch tactics If the party loses a lot of popular support, they may have to switch tactics.switch your attention/focus to sth After studying French for years, he has now switched his attention to Spanish.switch brands Many consumers will switch brands to support companies they see as socially responsible.the emphasis switches to sth In the next chapter, the emphasis switches to the wife’s point of view.prepositionsswitch to sth She has switched to tennis as her main sport.switch from sth Tourists are now using cash machines abroad, switching from traveller’s cheques.switch between sth and sth He switches easily between English and Korean. |
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