Vfss
[计]= Voice Frequency Signalling System,音频信号系统
🗣️ 情景例句
for opening their home to me.
为我敞开大门。
The physician said smoking is harmful to my health.
医生说了吸烟对我的健康有害。
He was a famous professor of physics.
他是一位著名的物理教授。