ethinyl

例句：

1. 1. Ethylene is a colorless gas that is used in the production of plastics.
   乙烯是一种无色气体，用于生产塑料。
2. 2. The plant produces ethylene, which can be used to detect insect infestations.
   这种植物会产生乙烯，可以用来检测昆虫侵袭。
3. 3. Ethylene is also known for its ability to reduce stress and promote relaxation.
   乙烯还因其能够减轻压力和促进放松的能力而闻名。