Biphone
电话耳机, 飞行帽耳机
🗣️ 情景例句
What is it?
是什么主意？
My grandfather got married in 1921.
我的祖父在1921年结婚。
My daughter, Jane, never dreamed of receiving a letter from a girl of her own age in Holland.
我的女儿简从未想过会接到荷兰一位同龄姑娘的来信。