目前铅和甲基叔丁基醚(MTBE)等添加剂被叫停，取而代之的是在汽油中添加少量酒精，这样提升辛烷水平能防止负载中引擎产生爆震。
With lead and MTBE additives now phased out, spiking petrol with a small amount of ethanol raises its octane level enough to prevent the engine from "knocking" under load.
量油尺是用来探查引擎中的剩余油量的。
A dipstick is used to measure how much oil is left in an engine.
一架飞机等在机场，引擎已发动，而这只是诱饵中的一个而已。
A plane was waiting at the airport with its engines running but this was just one of the decoys.
应用推荐