重要
noun [专属名词]枪，炮；起跑信号，发令枪声；<美，非正式>雇用杀手，持枪歹徒；喷射器；<英>猎人
A gun or a starting gun is an object like a gun that is used to make a noise to signal the start of a race. 发令枪
verb [vt. 及物动词]加大…的油门，使加速；<美> 猛投，猛掷
To gun an engine or a vehicle means to make it start or go faster by pressing on the accelerator pedal. 把…发动起来; 给…加大油门 • He gunned his engine and drove off. 他把引擎发动起来，开车走了。
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