CRAWL ALONG SOMETHING
crawl along something: translation
crawl across something & crawl along something
[for someone] to move across something on hands and knees; [for an insect or something similar] to walk across something. •
The wounded officer had to crawl across the open area to get to safety.
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The caterpillar crawled across the leaf and stopped at the end.
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She crawled along the catwalk, fearing to look down.