winter-grade gasoline

例句：

1. 1. The car needs a full tank of winter-grade gasoline before it can start.
   这辆车在启动前需要加满一箱冬季等级汽油。
2. 2.The mechanic recommended using winter-grade gasoline for the engine.
   机械师建议使用冬季等级汽油来给发动机加油。
3. 3.The truck was running on winter-grade gasoline, which is more efficient than regular gasoline.
   卡车使用的是冬季等级汽油，比常规汽油更高效。