以f结尾的单词跟着以w开头的单词

　　例句：

　　A stream flowed gently down into the valley.

　　一条小溪缓缓地流进山谷。

　　There were, however, a number of crucial flaws in his monetary theory.

　　然而，他的货币理论中有很多关键性的欠缺。

　　We followed him up the steps into a large hall.

　　我们跟他上了台阶，进入一个大厅。

　　I gave a dinner party for a few close friends.

　　我为几个密友举办了一个晚餐聚会。