gravel pit造句怎么写

The gravel pits have been landscaped and planted to make them attractive to wildfowl.

The whole thing started in 1912 when Charles Dawson claimed to find some interesting bones in a gravel pit.

This area of former farmland was worked as a gravel pit until 1964.

Found in a gravel pit in Piltdown, England, a set of intriguing skull and jaw fragments were later reconstructed by the British Museum into a human-like head with an ape-like jaw.