b开头s中间e结尾的单词

　　例句：

　　The road is closed because of the snow.

　　这条路因下雪而封闭。

　　Many diets fail because they are boring.

　　许多规定饮食因单调乏味都不奏效。

　　His parents kept a round-the-clock vigil at his bedside.

　　他父母日夜守护在他的床边。

　　His mother has been at his bedside throughout his illness.

　　在他生病期间，他母亲一直守候在他床边。

　　There were stacks of books on the bedside table and floor.

　　床头桌上和地板上有一摞摞的书。