earpiecen. 耳機、護耳片、眼鏡腳、頭戴式耳機聽筒學術名詞耳機：物理化學儀器設備、物理學、電機工程、電力工程聽筒：物理化學儀器設備、物理學、電機工程、電力工程英文釋義electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear