back and forth基本解释
back and forth是什么意思
来回地; 一来一往
back and forth相关例句
ph.
1. The wind moved the trees gently backandforth.
风吹来，树来回轻摆。
back and forth网络解释
1. 来回地,反复地：at times 有时,间或 | backandforth 来回地,反复地 | back of 在......后面
2.
2. (前后)来回地,往返：attend to 专心;照顾,护理 | backandforth (前后)来回地,往返 | back away 逐渐后退
3. back and forth在线翻译
3. (前后)来回地,反复地：at the same time同时;然而,不过 | at the sight of一看见......就 | backandforth(前后)来回地,反复地
back and forth英英释义
adv
1. moving from one place to another and back again
e.g. he traveled backandforth 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 backandforth all day
Synonym: backward and forwardto and fro