backward and forward_单词backward and forward_backward and forward的解释和用法

backward and forward

backward and forward基本解释

来回地, 前后地

backward and forward同义词

backward and forward英英释义

Adverb:

moving from one place to another and back again;
"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"