cetylene

例句：

1. 1.The petroleum industry uses cetylene to produce synthetic rubber.
   石油工业使用乙烯来生产合成橡胶。
2. 2. Cetylene is a colorless, odorless gas that is used in the production of plastics.
   乙烯是一种无色、无味的气体，用于生产塑料。
3. 3. In the chemical industry, cetylene is often used as a solvent for other chemicals.
   在化工行业中，乙烯常被用作其他化学品的溶剂。