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副词来回地，往复地
1. 到处：to a T 恰好地 | to and fro 到处 | to doctor it up with 用...作料拌起来
2. 来回：time and tide岁月 | to and fro来回 | town and country乡村
3. 来来往往：Tit for tat 针锋相对 | to and fro 来来往往 | To be or not to be : that is the question. 生与死是至关重要的问题
1. They panted with suspense as velocity sucked Di several meters underwater and the ferocious maelstrom whipped his figure to and fro.
2. And the audience walked to and fro and chatted like they were in a teahouse.
3. Liu then disappears suddenly and Du finds herself in a modern city, where men and women walk to and fro in a cold way.
4. Armed policemen in uniforms patrolled to and fro along the other sides of the stage.
adv
1. moving from one place to another and back again
e.g. he traveled back and forth between Los Angeles and New York
the treetops whipped to and fro in a frightening manner
the old man just sat on the porch and rocked back and forth all day
Synonym: back and forth backward and forward