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单词 switch
释义

switch DEVICE
swItF
n [C]
a small device, usually pushed up or down with your finger, that controls and turns on or off an electric current
开关,电闸,电键
a light switch
电灯开关
an on/off switch
接通-断开的开关
He flicked the switch to turn off the light.
他按下开关把灯关了。

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更新时间:2025/6/26 9:23:08