shuttle back and forth

基本解釋

He said that he had been shuttling back and forth between Texas and Louisiana for the past few years.
他說他在過去幾年中一直來回穿梭于德克薩斯州和路易斯安那州之間。
The arc shaped door opening and side window added foreign sentiment to the "small town", which enabled people to play freely by shuttling back and forth.
小屋門洞和側(cè)窗的圓弧造型為“小鎮(zhèn)”增添了幾分異國情調(diào)，顧客可以自由穿梭游玩。
Yes, that Rockefeller Center, with the Christmas tree, ice rink, tourist hordes, and thousands of harried New Yorkers shuttling back and forth to their offices.
沒錯，就是那個洛克菲勒中心，那個有圣誕樹、溜冰場、成群游客和成千上萬往返于上班地點的紐約客的洛克菲勒中心。

How to do that logistically would not have been as easy as it sounds, because you're shuttling back and forth between the House, the Senate, different offices, et cetera, different legislators.
WHITEHOUSE: President Obama Takes Questions at GOP House Issues Conference The White House
Some of them aren't going to have that capacity, but maybe they can act as sentinels to spot oil, or maybe some of them are just shuttling supplies back and forth to these ships.
WHITEHOUSE: A First-Hand Look at the Federal Response to the BP Oil Spill