Biphone
电话耳机, 飞行帽耳机
🗣️ 情景例句
Dad often works late,
爸爸老是工作到很晚，
He that would eat the kernel must crack the nut.
要把果仁吃，就得碎果壳。
When she was arrested, the detective found out that the shop assistant was her daughter.
她被逮捕后。侦探发现原来那售货员是她的女儿。