1. 
to crawl
Her son started to crawl.
to crawl to sb
crawl1 /krɔ: l; US / verb [intransitive] 1 to move slowly with your body on or close to the ground, or on your hands and knees Their baby has just started to crawl (raczkować). An insect crawled across the floor. ▶ pełzać czołgać się
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