back and forth
短语
大学
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其它
词形变化
back and forths
复数
别名
back-and-forth
释义与例句
n.
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1.
The movement (of someone or something) forward followed by a return to the same position. May refer to a concept such as an emotional state or a relationship as well as a physical thing.
往返
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可数 不可数 -
2.
Negotiations or discussions (not necessarily fruitful) between two or more parties; a dialog.
可数 不可数
adj.
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1.
Going from one place or position to another and back again.
The back and forth movement of the tide causes erosion of the coastline.
adv.
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1.
From one place to another and back again.
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