sand box

基本解释

Working very closely with the shapers on each hole, initial ideas are 'roughed out' using a 'sand box' not unlike a child's sand pit.
在每个洞与造型师一起紧密合作，最终的想法通过玩大土方而被规划出来跟小孩儿玩泥巴一样。
The invention discloses a mechanism for cleaning parting surfaces of an upper sand box and a lower sand box, which belongs to a producing line of castings.
本发明属于铸造生产线上的一种上下砂箱分型面清理机构。
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The sand box model is a reduced scale representation of the natural porous medium domain.
槽模型是将天然的多孔介质区域按比例缩小的模型。

Rather than ape Grand Theft Auto, why not give us a big open sand-box Medieval city to explore, with pirate-infested waters, knights in shining LEGO armor, and dragons in the nearby wilderness?
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From the tee box the green looks as tiny as a tea saucer and has two sand traps guarding its front.
FORBES: Magazine Article