耳机关机英语怎么说

耳机关机英语是 "Turn off the headphones"。

其中, "turn off" 是 "关闭"的意思，而 "headphones" 是 "耳机" 的意思。

例句：

Could you turn off the headphones when you're done listening?
(你听完之后能关闭耳机吗？)
Remember to turn off the headphones before you put them away.
(记得把耳机关掉之后再收起来。)

语言来源: "turn off" 是英语中常用的一种表达方式, "headphones" 则是由英语 "head" 和 "phone" 组成的合成词, "head" 意为"头"， "phone" 意为 "电话"。