earpiece
US /ˈɪr.piːs/
UK /ˈɪr.piːs/

名词
1.
耳机, 耳塞
a small device that fits into or onto the ear, used for listening to a radio or telephone or for helping people who have difficulty hearing
示例:
•
The security guard wore an earpiece to communicate with his team.
保安戴着耳机与他的团队沟通。
•
She adjusted the earpiece of her headphones.
她调整了耳机的耳塞。
在 Lingoland 学习这个单词