ear muff-joint的用法和樣例：
例句
- The ear receiver or headphones are plugged in.
插入了耳機或頭戴耳機。 - When packaged, the headset is originally set up to wear on the right ear.
包裝中的耳機為右耳佩戴模式。 - Quickly, I unhooked the receiver and held it to my ear.
我飛快摘下了聽筒，貼在耳朵上。 - A headset is a handset that fits on your head, an earpiece is one that fits on your ear.
頭戴式耳機是戴在頭上的聽筒，耳機則是戴在耳朵上的聽筒。
