Vfss
[计]= Voice Frequency Signalling System,音频信号系统
🗣️ 情景例句
I have room reserved.
我已订了房。
Just to be on the safe side.
为了安全起见。
No creature has received more praise and abuse than the common garden snail.
没有一种生物所受到的赞美和厌恶会超过花园里常见的蜗牛了。