The crabs moved fast but they could not catch two healthy girls on bikes.
The crab moves across the glass surface of the map table, plotting the pilot's track.
Even crabs move in this way, and they are polypods.
Then the crab moved on, picking its way over the beach, as if searching for something.
The six crabs had not moved in almost two hours.
They had to get to some place that was secure from predators, so they could sleep without having crabs move in.
As his power weakened, the crab was losing its fear and moving closer.
But nobody knew how fast the crabs could move.
The chances were he wasn't going to make it now; the crabs moved remarkably quickly for their size.
A crab moves sideways and so the name could fit a child with club feet.