formed

The cake was perfectly formed, with smooth edges and a neat round shape.

用法提示：此处 formed 是形容词，表示“成形的、具有某种形状的”，与 perfectly 连用说明蛋糕外形完好。

The oddly formed clouds caught everyone's attention during the walk.

用法提示：此处 formed 是形容词作定语，修饰 clouds，表示云朵呈现出某种形状。

After the rain, a newly formed puddle reflected the clear sky.

用法提示：此处 formed 是形容词，与 newly 构成复合定语，表示“新形成的”。