earphone

The reason for this is that the useful earphone control button / mic requires special jack.

这么设计的原因是耳机的控制按钮（同时也是麦克风）需要特殊插孔。

The language of kabuki is difficult to understand, but earphones are provided to explain the story, and there are also earphone services available in English.

歌舞伎中使用的语言很难理解，但是剧场提供耳机，观众可以戴上耳机来了解故事的内容，还有英文解说。

By e-mail and earphone, he confers with Jack Parrish, chief meteorologist, and they order the NOAA technician to slip a dropsonde into the shoot.

通过电子邮件和耳机，他与首席气象学家杰克·帕里什联络，指挥NOAA的技术人员发射下投式探空仪。