headset

n.

戴在头上的耳机或听筒；

复数：headsets

bluetooth headset蓝牙耳机

1. Invest in a telephone headset for your office phone.
   在你办公室的电话机旁安装一个头戴式耳机。
2. A headset is a handset that fits on your head, an earpiece is one that fits on your ear.
   头戴式耳机是戴在头上的听筒，耳机则是戴在耳朵上的听筒。

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