Sinad
abbr. Signal to Noise and Distortion Ratio 信号-噪声及失真比
🗣️ 情景例句
Hi, Anita, long time no see.
嗨，安妮塔，好久不见了。
No,I don't .
不，我没有。
No, not any more. It used to be free but now you have to pay to get in.
不，不再免费了。过去是免费，可现在得付钱才能进去呢。