Sigmatism
s发音困难
🗣️ 情景例句
That sounds exciting.
听起来怪热闹的。
And finally, I want to express my appreciation to all of my friends for their support.
最后，我想感谢所有支持过我的朋友。
The Olympic Games will be held in our country in four years' time.
4年以后，奥林匹克运动会将在我们国家举行。