Here it would reach supersonic speeds and then shift to its scramjet engine. The scramjet scoops up air and mixes it with fuel so it burns as the mixture flows through the engine at supersonic speeds.

这里它将达到超音速然后超高速冲压喷气发动机切换成工作状态，迎面气流进入发动机，与燃料混合，混合物在超音速状态流过引擎。

youdao

The bad news is that Ford's acclaimed EcoBoost engine that combines performance with fuel economy isn't an option.

坏消息是因兼顾性能与燃油经济性而广受好评的福特ecoboost发动机并没有安装在这款跑车上。

youdao

He adds: "in theory, you could have a plug-in hybrid with a renewable fuel powered [internal combustion engine] and eliminate the need for petroleum all together."

他还称：“理论上讲，你可以在使用可再生燃料的引擎上增加一个混合插件，这样可以彻底不使用汽油。”

youdao

Modern manufacturing processes combined with electronic fuel control and engine diagnostics make a single-engine jet much safer than earlier models.

FORBES: Magazine Article

Adding to the malaise, the price of piston-engine fuel with low lead content shot skyward stoked by environmental concerns.

FORBES: Did Economics And Politics Cut The Heart Out Of Personal Aviation?

For a couple years now, the government has been trying to start an engine with virtually no fuel flowing to it.

FORBES: June: A Winning Month For Money Market Accounts?