rú dòng
to wiggle
to squirm
peristalsis (wave movement of gut wall)
rú
to squirm
to wiggle
to wriggle
Taiwan pr. [ruan3]
cháng rú dòng
peristalsis (wave movement of gut wall)
rú xíng dòng wù
soft-bodied organisms
vermes (obsolete taxonomic term)
rú huá
creep (friction mechanics)
rú biàn
creep (materials science)