n.頭戴式耳機(jī)

Invest in a telephone headset for your office phone. 在你辦公室的電話機(jī)旁安裝一個(gè)頭戴式耳機(jī)。

A headset is a handset that fits on your head, an earpiece is one that fits on your ear. 頭戴式耳機(jī)是戴在頭上的聽(tīng)筒，耳機(jī)則是戴在耳朵上的聽(tīng)筒。