snack n.小吃，快餐，一份 v.吃快餐(小吃)

　　例句：It's time for an afternoon snack.

　　到时间吃下午小吃了。

　　slack n.松弛.静止，淡季adj. 松弛的，淡季的，呆滞的，懒散的

　　例句：Winter is the slack season at most hotels located at the sea shore.

　　冬天是大多数位于海边的旅馆的淡季。

　　sack n.麻袋，一袋的

　　例句：There is a sack of potatoes at the corner of the room.

　　屋子一角有一袋马铃薯。

　　salad n. 色拉

　　Helen ordered both fried chicken and saladin the fast-food restaurant.

　　海伦在快餐店里点了炸鸡和色拉。

　　snatch v.攫取 n.攫取

　　例句：Daisy snatches at every chance to improve her performance, that'swhy she was able toget the fellowship.

　　戴茜抓住一切机会改进她的表现，这就是为什么她能够得到奖学金。