high-octane

• 形容事物非常强劲、充满活力或高度紧张激烈。常用来形容高性能燃料，也引申指极具能量或刺激性的活动、风格等。

Describes something that is very powerful, energetic, or intense.

1. High-performance fuelB2formaltechnical

   Describing gasoline with a high octane number, which resists knocking and allows for more efficient combustion in high-performance engines.

   高辛烷值燃料

   • The sports car requires high-octane fuel to run at peak performance.
   • Using high-octane gasoline can improve engine efficiency in some vehicles.
   • The mechanic recommended high-octane fuel for the turbocharged engine.

   同义词high-performancepremiumsuper

2. Full of energy or excitementB2informal

   Characterized by great energy, force, or intensity; very dynamic or powerful.

   充满活力的

   • The band delivered a high-octane performance that had the crowd cheering.
   • She has a high-octane personality that lights up any room.
   • The movie is a high-octane thriller with non-stop action.

   同义词dynamicenergeticexcitingintenselivelypowerfulspiritedvibrantvigorous

   反义词calmdulllistlesslow-keymildquietsubduedunexciting