dyster

例句：

1. 1. The dyster is the heart of the oil refining process.
   炼油厂是石油精炼过程的核心。
2. 2. The dyster is responsible for producing refined petroleum products.
   炼油厂负责生产精炼的石油产品。
3. 3.The dyster is a complex machine that converts crude oil into gasoline and diesel fuel.
   炼油厂是一个复杂的机器，将原油转化为汽油和柴油燃料。