sandbox

• 名词，指装满沙子的容器或场地，既可用作铸造金属的砂型，也可作为儿童玩耍的区域。

A noun referring to a container or area filled with sand, used either as a mold for shaping metal or as a play area for children.

1. Children's play areaA1formal

   A shallow box or area filled with sand for children to play in.

   沙坑

   • The children spent the afternoon building castles in the sandbox.
   • We bought a new sandbox for the backyard.
   • The sandbox is a popular spot at the playground.

   同义词sandpilesandpit

2. Foundry moldC1formaltechnical

   A container filled with sand used in metal casting to shape molten metal.

   砂型

   • The foundry worker prepared the sandbox for the casting process.
   • Molten iron was poured into the sandbox to form the engine block.
   • The sandbox must be properly compacted to ensure a clean mold.

   同义词flask