1234567891011121314151617181920Keywordto squirmwaspto wriggleFrequency#3544Strokes20ReadingsrúMnemonic虫 (insect) gives the meaning and 需 the sound.Stroke orderComposed of虫insect需to requireUsed in vocabulary蠕虫rúchóngworm蠕动rúdòngto wiggle; to squirm; peristalsis (wave movement of gut wall)蠕变rúbiàncreep (materials science)蠕rúto squirm; to wiggle; to wriggle; Taiwan pr. ruǎn蠕蠕rúrúwiggling; squirming肠蠕动chángrúdòngperistalsis (wave movement of gut wall)