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  1. crawler

    • IPA[ˈkrôlər]

    美式

    • n.
      a thing that crawls or moves at a slow pace, especially an insect;a tractor or other vehicle moving on an endless caterpillar track
    • noun: crawler, plural noun: crawlers

    • 釋義

    名詞

    • 1. a thing that crawls or moves at a slow pace, especially an insect the light bulb was a magnet for moths and many-legged crawlers
    • a tractor or other vehicle moving on an endless caterpillar track the crawlers move space shuttles to the launch pads a crawler excavator
    • 2. a program that systematically browses the World Wide Web in order to create an index of data.