1. The wind moved the trees gently backandforth. 風(fēng)吹來(lái)，樹(shù)來(lái)回輕擺。
back and forth網(wǎng)絡(luò )解釋
1. 來(lái)回地,反復地：at times 有時(shí),間或 | backandforth 來(lái)回地,反復地 | back of 在......后面
2.
2. (前后)來(lái)回地,往返：attend to 專(zhuān)心;照顧,護理 | backandforth (前后)來(lái)回地,往返 | back away 逐漸后退
3. back and forth在線(xiàn)翻譯
3. (前后)來(lái)回地,反復地：at the same time同時(shí);然而,不過(guò) | at the sight of一看見(jiàn)......就 | backandforth(前后)來(lái)回地,反復地
back and forth英英釋義
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