好词典

switch

UK /swɪtʃ/US /swɪtʃ/

词源

源自中古荷兰语 'swijch'(细枝,鞭子),可能与摆动或快速移动的动作有关。

noun

❶ 开关,用于控制电器或设备的开启和关闭。可以是物理按钮或电子界面上的选项。

“Please turn off the light switch when you leave the room.”

(离开房间时请关掉电灯开关。)

“The switch on the wall controls the ceiling fan.”

(墙上的开关控制着吊扇。)

❶ 改变,转变,指从一种状态、方法或选择转向另一种。

“There was a sudden switch in the weather from sunny to rainy.”

(天气突然从晴天转变为雨天。)

“He made a career switch from teaching to programming.”

(他的职业从教师转变为程序员。)

同义词:button, control, change, shift

verb

❶ 转换,改变,指从一个选项、状态或方法转向另一个。

“She switched her major from biology to chemistry.”

(她把专业从生物学转到了化学。)

“Can you switch the TV channel to the news?”

(你能把电视频道转到新闻吗?)

❶ 快速移动或交换位置,通常指突然的动作。

“The cat switched its tail angrily.”

(猫生气地甩动尾巴。)

“They switched seats so she could sit by the window.”

(他们换了座位,好让她靠窗坐。)

同义词:change, swap, shift, exchange

常见短语

switch off — 关闭电器或设备,也用于形容某人停止关注或变得不感兴趣。

“Don't forget to switch off the lights before you go to bed.”

(睡觉前别忘了关灯。)

switch on — 打开电器或设备,也用于形容某人变得警觉或活跃。

“He switched on the radio to listen to the news.”

(他打开收音机听新闻。)

switch over — 从一个频道、系统或选择转换到另一个。

“Let's switch over to the other TV channel for the weather report.”

(我们换到另一个电视频道看天气预报吧。)