狗的项圈上挂着一个小的金属圆盘。

The dog had a small, metal ___disk attached to its collar.

飞盘是一个用塑料制成的飞行圆盘。

A frisbee is a flying ___disk made of plastic.

这件古代文物是一个带有复杂雕刻的青铜圆盘。

The ancient artifact was a bronze ___disk with intricate carvings.