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。