异辛烷

例句：

1. 1. This engine uses a special type of fuel that contains isooctane.
   这台发动机使用了一种含有异辛烷的特殊燃料。
2. 2. The chemical process involved in the production of isooctane is complex and requires precise control.
   生产异辛烷所涉及的化学过程复杂，需要精确控制。
3. 3. Isooctane is often used as an additive in gasoline to improve its octane rating.
   异辛烷常被用作汽油的添加剂，以提高其辛烷值。