3 sentences

1. 学校新铺设了一圈红色的塑胶跑道。

   xué​xiào xīn pū​shè le yī quān hóng​sè de sù​jiāo pǎo​dào.

   The school has laid a new red synthetic running track.

   Source: Dong Chinese Dictionary

2. 请减少使用一次性塑胶制品以保护环境。

   qǐng jiǎn​shǎo shǐ​yòng yī​cì​xìng sù​jiāo zhì​pǐn yǐ bǎo​hù huán​jìng.

   Please reduce the use of disposable plastic products to protect the environment.

   Source: Dong Chinese Dictionary

3. 这种工业塑胶具有极高的耐热性。

   zhè zhǒng gōng​yè sù​jiāo jù​yǒu jí gāo de nài​rè xìng.

   This industrial plastic has extremely high heat resistance.

   Source: Dong Chinese Dictionary