| 释义 |
DEFINITIVE EXAMPLES 权威例句〔arc-jet engine〕A rocket engine that operates by heating the propellant gas with an electric arc.电弧喷射发动机：火箭引擎，通过用电弧加热推动气体而运行美国传统〔lick〕Engineers think they have licked the problem with the rocket engine.工程师们认为他们已经解决了火箭引擎的问题。韦氏高阶〔retrorocket〕A rocket engine used to retard, arrest, or reverse the motion of a vehicle, such as an aircraft, a missile, or a spacecraft.制动火箭：用于阻滞、抑制或使运载物（如飞行器、导弹或太空飞行器）反向运动的火箭引擎美国传统 |