clamshell

• 名词，指蛤蜊等双壳类软体动物的贝壳；也指形似贝壳、带铰链的装置或器具，如蚌壳式抓斗、捞泥斗、蚌壳式挖斗。

A noun referring to the shell of a clam, or a dredging bucket with hinges resembling a clam's shell.

1. Shell of a clamB1formal

   The hard, hinged outer covering of a clam, often used as a container or decorative item.

   蛤壳

   • She collected a beautiful clamshell on the beach.
   • The clamshell was used as a serving dish for the appetizer.
   • He found a fossilized clamshell in the rock formation.

   同义词shell

2. Dredging bucketC1formal

   A type of bucket used in dredging that has two hinged halves that close together like a clam's shell to scoop up material.

   蛤壳式抓斗

   • The construction crew used a clamshell to excavate the riverbed.
   • The clamshell bucket lifted tons of sand from the harbor floor.
   • The operator skillfully maneuvered the clamshell to clear the debris.

   同义词grab