| 词组 | battery |
| 释义 | battery /ˈbætəri/ noun an object that provides a supply of electricity for something such as a radio, car, or toyadjectivesa flat battery BrE a dead battery AmE (=with no more electricity in it) The car’s got a flat battery.a low battery (=with little electricity in it) He could see the battery was low on his laptop.a rechargeable battery (=one that you can use again after putting more electricity in it) The camera uses rechargeable batteries.a spare battery (=an extra one, in case you need it) Take a torch and spare batteries.nouns + batterya car/torch/phone battery Have you checked your mobile phone battery?verbs + batterychange/replace the battery (=put a new battery in something) You may need to change the battery in the smoke alarm.charge/recharge a battery (=put more electricity in it) It takes eight hours to fully recharge the battery. | When the red light comes on, you should recharge the battery.use batteries also run on batteries The clock runs on two 9-volt batteries.put a battery in sth She had put new batteries in the radio.take the battery out also remove the battery formal I’ll take the batteries out while I’m not using it.drain/discharge a battery (=make it lose electricity) If you forget to turn your car’s lights off, it drains the battery.disconnect a battery We had to disconnect the battery to stop the burglar alarm from ringing.battery + verbsa battery runs out/runs down (=there is no more electricity in it) I think the batteries are running out.battery + nounsbattery power You can plug your laptop in or use it on battery power.a battery charger (=a piece of equipment for charging batteries) Don’t forget to pack your battery charger.battery life (=how long a battery produces electricity) My old phone had a longer battery life.the battery compartment (=the part of a piece of equipment where the batteries go) Take the batteries out of the battery compartment.a battery pack (=a type of battery used in video cameras, laptop computers etc) You have to recharge the battery pack after about 3 hours of recording.phrasesbattery-powered/battery-operated a battery-operated hairdryer | A lot of children’s toys are battery-powered. |
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