n. [电讯]耳机；听筒；[电子]头戴式受话器（headphone 的复数形式）
1.Gradually, non-snowboarders began to notice the colourful headphones.
渐渐地，不玩滑雪板的人开始注意到五颜六色的耳机。
2.Don't wear headphones.
不要戴着耳机跑步。
3.If you have the kind of job that requires you to be instantly available, wear a pair of noise-canceling headphones to drown out office chatter.
如果你的工作需要你随时待命，戴上一副抗噪音耳机，压过办公室中其他人的唠叨。
4.Headphones are available on the bus and these are easy to operate.
巴士上都配备有耳机，操作起来很方便。
5."White noise" was played into the subject's ears through headphones.
“白色噪音”通过耳机被送进实验对象的耳朵里。
6.If you run on the road, headphones can be dangerous, as you might not hear traffic coming your way.
如果你在公路上跑，带个耳机是非常危险的，因为你可能听不到一辆汽车已经跟在你的身后。
7.Smart headphones.
智能的耳机。
8.Do you wear headphones during RACES?
你会戴着耳机参加长跑比赛吗？