The frisbee is a light plastic disc, shaped like a plate, thrown between players in a game.

飞盘是一种碟形塑料盘，供游戏者互相抛扔玩耍。

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The secret of such a house lies in its foundations, which are made up of multiple layers of light plastic foam supporting the concrete, allowing it to float.

漂浮房屋的奥秘在于其基底由多层能支撑混凝土的轻塑料泡沫构成，因此能漂浮在水面上。

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Using a thin film of polyfluorene, a light-emitting plastic, they have created a laser which reacts with explosive vapour.

BBC: Plastic lasers shed light on hidden explosives

That's the trick performed by holographic disk drives, which record a series of 1-million-bit chunks of data as holographic "pages" inside a light-sensitive plastic medium.

FORBES: Deep Storage

Thanks to the incredible longevity of the Star Wars brand, kids today are nearly as hungry for plastic light sabers and X-wing flight simulators as they were in the 1980s.

FORBES: Magazine Article