Biphone
电话耳机, 飞行帽耳机
🗣️ 情景例句
Something wrong?
有什么不对劲吗？
I can see the brown wall of dust coming toward us with the wind.
风卷起褐色的墙壁似的滚滚黄沙，向这里袭来。
They will also be building new roads and a special railway line.
他们还将修筑一些新的道路和一条铁路专线。