Vfss
[计]= Voice Frequency Signalling System,音频信号系统
🗣️ 情景例句
You may use a first name if you are asked to (call me …).
如果你得到允许的话，你便可以直呼某人的名字。
I wish I were running across an open field.
我真希望在原野奔跑。
I learnt that I had passed the test.
我获悉我测验及格了。