They crawl through the slug in search of infectious bacteria.

他们来回巡视，搜索感染菌。

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Soft cotton liner inside: Nice to wear and keeps the baby's feet warm as they crawl, walk, and explore.

柔软的纯棉衬里：穿着舒适，当宝宝爬行，走路，探索这个奇妙的世界时，确保宝宝足部温暖。

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They crawl around beaches and mudflats using tiny structures along the sides of their bodies that work like legs, but are in fact gills.

他们用身体两旁的微小结构像腿一样的在沙滩和泥滩上爬行，但事实上那是他们的鳃。

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One of the first steps in that healing is that fibroblasts like this cell crawl into the space that's created by the wound and they grab a hold of both sides of the wound and contract and try to pull it together.

愈合的第一步是,成纤维细胞向,损伤的创口爬行,紧紧地抓住创口的两侧,通过收缩回拉 试着使创口合拢

耶鲁公开课 - 生物医学工程探索课程节选

So in the last year of their 17-year life cycle, when the soil temperature reaches about 64 degrees Fahrenheit, they crawl out of the ground by the billions.

NPR: Roar of the Cicada

Just when it seemed they might crawl back, Curry countered one devastating swish after another to put a major dent in Denver's playoff hopes.

NPR: Curry Leads Warriors Past Denver 115-101 In Game 4

His design incorporates a downward-angled port where bats can enter, leading to a 34mm-wide chute with roughened timber walls which they can crawl up to gain access to an attic 10.5m long and 3m high at the apex.

CNN: Architects building dream homes for bats