The work on clay models is very time and cost-intensive.

制作粘土模型很耗费时间和精力。

youdao

During this phase the number of clay models is gradually whittled down based on decisions by the Board of Management.

在此阶段基于董事会管理决策会逐渐减少油泥模型的数量。

youdao

For each new car, we'll build two, three, even four full-size clay models and then refine it down to the final model.

我们会为每款新车做两、三个，甚至四个全尺寸黏土模型，然后进行微调，直到做出最终模型。

youdao

"The designers were all geeked up, showing us these clay models and color studies, " he recalls.

FORBES: Speed Bump

"I used to make little clay models, " he recalled.

NPR: Special Effects Master Ray Harryhausen Dies At 92