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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Most bots are really dumb, they crawl the web and put their spam into every form's field they can find.

大多数的机器人是愚蠢的，它们检索网络，并且把垃圾信息放到它们能找到的每一个表单域里。

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On the defensive, they dig themselves dugouts protected by palm trunks, and then they crawl in and resist until some explosive or a human terrier kills them.

防守的时候，他们挖防空壕，用棕榈树干伪装，然后他们躲在里面直到被炮火或敌人打死。

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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