creep velocity

例句：

1. 1. The robot's creep velocity is measured in millimeters per hour.
   这个机器人的爬行速度以毫米每小时为单位测量。
2. 2. The slow crawling velocity of the snake made it difficult for the hunter to catch it.
   蛇缓慢爬行的速度让猎人难以捕捉到它。
3. 3.The slow creep of the iceberg was a concern for the crew as they navigated through the frigid waters.
   冰山缓慢爬行的情况让船员们在冰冷的水域中航行时感到担忧。