s开头的英文：sad——悲伤的；sweater毛衣；shape——形状；sheep——绵羊；slow——慢的
一、sad
英 [sæd]、美 [sæd]
adj.悲哀的;可悲的;糟糕的;令人遗憾的
We are very sad to hear that you are leaving.
听说你要走了，我们十分难过。
she, so, some, soon, since, simply, system, symptoms, symbol, still, stay, start, school, spend, special, speak, Spanish, such, sure, summer, see, send, surprise.
