My schoolmates watched time crawl every afternoon, waiting an eternity for the three o'clock bell.(我的同学每天下午都盯着时间流逝，永远地等待着三点钟的钟声。)
I think I can crawl back up.(我想我能爬上来。)
This will allow the robot to crawl around the gastrointestinal tract, perform treatment with appropriate surgical tools, and perform biopsies.(这将使机器人可以在胃肠道周围爬行，用适当的外科手术工具施行治疗，且可以进行活体组织检查。)
The worms crawl in, the worms crawl out.(蠕虫在上面爬进爬出。)
He can swim breaststroke, backstroke and crawl.(他会游蛙泳、仰泳和自由泳。)
A child learns to crawl before he learns to walk.(小孩在学走路之前先学爬。)
They ran a cable from their machine through a crawl space between the basement and the stage.(他们从他们的机器接出了一根通过地下室和舞台间爬行空间的电缆。)
Don't worry if your baby seems a little reluctant to crawl or walk.(如果你的小宝宝看起来有点不愿爬或走，不用担心。)
The Bismarck could now move only at a crawl and her crew were exhausted, hopeless, and utterly demoralized.(俾斯麦号现在只能慢速前进，而全体船员也早已筋疲力尽，悲观失望，完全失去信心。)
