ethydene

例句：

1. 1.Ethylene is a chemical compound that is used in the production of plastics and rubber.
   乙烯是一种用于生产塑料和橡胶的化学化合物。
2. 2. The growth of plants requires a certain amount of ethylene for optimal development.
   植物的生长需要一定量的乙烯以实现最佳发育。
3. 3. Ethylene gas is often used as a pesticide to control weeds in agricultural fields.
   乙炔气体常被用作农药，用于控制农田中的杂草。