adv.moving from one place to another and back again
同义词：back and forthbackward and forwardto and fro
back-and-forth例句
Back and forth Back and forth Back and forth Back and forth error compensation and correction methods for removing errors induced by uneven gradients of the level set function Back and Forth Between Modal Logic and Classical Logic Side to side-back and forth rotary transmission device A centrifuge head for back-and-forth centrifugation to improve specimen infiltration by viscous plastics Complete Symbolic Reachability Analysis Using Back-and-Forth Narrowing Complete symbolic reachability analysis using back-and-forth narrowing Genome polymorphisms and gene differential expression in a 'back-and-forth' ploidy-altered series of weeping lovegrass (Eragrostis c... Back and forth through time and events Back-and-forth hermaphroditism: phylogenetic context of reproductive system evolution in subdioecious Daphne laureola. Back-and-Forth Systems for Arbitrary Quantifiers
