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N-COUNT
(電路的)開(kāi)關(guān)，閘，轉(zhuǎn)換器
A switch is a small control for an electrical device which you use to turn the device on or off.
例句
Leona put some detergent into the dishwasher, shut the door and pressed the switch.
利昂娜將一些清潔劑放入洗碗機(jī)，關(guān)上門(mén)后按了開(kāi)始鍵。
...a light switch.
電燈開(kāi)關(guān)
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VERB
轉(zhuǎn)換;改變;轉(zhuǎn)變
If you switch to something different, for example to a different system, task, or subject of conversation, you change to it from what you were doing or saying before.
例句
Estonia is switching to a market economy...
愛(ài)沙尼亞正在向市場(chǎng)經(jīng)濟(jì)轉(zhuǎn)軌。
The law would encourage companies to switch from coal to cleaner fuels...
該法律將鼓勵(lì)企業(yè)轉(zhuǎn)而使用比煤更加清潔的能源。
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V-ERG
轉(zhuǎn)移(注意力);(注意力)轉(zhuǎn)變
If you switch your attention from one thing to another or if your attention switches, you stop paying attention to the first thing and start paying attention to the second.
例句
My mother's interest had switched to my health...
母親轉(zhuǎn)而關(guān)注起我的健康來(lái)。
As the era wore on, she switched her attention to films.
隨著這個(gè)時(shí)代慢慢過(guò)去，她把目光投向了電影業(yè)。
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VERB
交換;調(diào)換;對(duì)調(diào)
If you switch two things, you replace one with the other.
例句
In half an hour, they'd switched the tags on every cable...
半個(gè)小時(shí)內(nèi)，他們就給每根電纜都換了標(biāo)簽。
The ballot boxes have been switched.
投票箱被人調(diào)換了。