Sigmatism
s发音困难
🗣️ 情景例句
Which tourist attractions are the best?
哪一个旅游景点最好？
Do no through fear of poverty surrender liberty.
不要因为怕贫苦而放弃自由。
Sir Johan Hawkwood arrived in Italy with a band of soldiers and settled near Florence.
约翰。霍克伍德爵士带着一队士兵来到意大利，在佛罗伦萨附近驻扎下来，