动词 roll out:

1. flatten or spread with a roller

2. straighten by unrolling

rolln.卷；滚动；名单；压路机；颤音；圆形物，面包卷v.摇摆；滚；绕；转动；展开Rolleten.罗耶特(在古巴；西经 79º09' 北纬 21º58')

1. Her family rolled out the red carpet for his teacher.
   她们全家诚恳而热烈地欢迎他的老师。
2. He rolled out the words, so that everyone could hear.
   他话音洪亮，因此每个人都能听得见。