Biphone
电话耳机, 飞行帽耳机
🗣️ 情景例句
No, Mom. We had a great time.
不， 妈妈。我们玩得很高兴。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
CUSTOMS OFFICER: That's fine.
好了。