
switch
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。)
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。)
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。)