n.头戴受话器（听筒）；耳机；送发话器

She was listening to music on her headphones while walking to work.
她一边走路去上班，一边戴着耳机听音乐。
He took off his headphones to hear the announcement clearly.
他摘下耳机以便能清楚地听到公告。
The headphones were a gift from her best friend for her birthday.
这副耳机是她最好的朋友送给她的生日礼物。
The noise-cancelling headphones blocked out all the airplane engine noise.
防噪音耳机隔绝了所有飞机引擎的声音。
She connected her smartphone to the headphones for a morning workout.
她将手机连接到耳机进行早晨锻炼。
He adjusted the volume on his headphones so as not to disturb others.
他调整了耳机音量以免打扰他人。
They shared a pair of wireless headphones to enjoy a movie together.
他们共享一副无线耳机一起看电影。
She prefers over-ear headphones for their better sound quality.
她更喜欢头戴式耳机，因为音质更好。
He keeps his headphones in a special pouch to protect them when not in use.
他把耳机放在专用袋子里，不用的时候保护它们。
The headphones were so comfortable, she could wear them for hours without discomfort.
这副耳机非常舒适，她可以连续佩戴几个小时而不感到不适。