Vfss
[计]= Voice Frequency Signalling System,音频信号系统
🗣️ 情景例句
No, no. I'll do that.
不， 不。我自己来。
She has a particular interest in painting.
她特别爱好绘画。
He is now satisfied merely to try to stand up, but as soon as he does so a porpoise knocks him flat.
此时的海龟，只要能站起来就满足了，但它刚站起来，就被一只海豚击倒。