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back-and-forth

反复地，来回地

1、来回的

... potent adj. 有效的；强有力的 reciprocal adj. 相互的；互惠的 back-and-forth adj. 来回的；反复的 ...

2、反复地

...abruptly 突然地,意外地back-and-forth 反复地，来回地bluff 以虚张声势找出或达成 ...

3、反反复复的

...A give-and-take trading process 公平交易的贸易过程Back-and-forth 反反复复的To spell out 讲清楚 ...

back-and-forth method尝试法

back-and-forth type structure往复式结构

back-and-forth bending test反复弯曲试验

back-and-forth movement往复运动

back-and-forth piston纵向间隙

back-and-forth mode前后扫描方式

method back-and-forth尝试法

back-and-forth control stick movement驾驶杆前后移动

Back-and forth communication反反复复的交流

交通运输工程

adv.moving from one place to another and back again

同义词：back and forthbackward and forwardto and fro

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