barrel

/ˈbɛrəl/

a tube through which a bullet travels when a gun is fired

中文释义：枪管；炮管

The soldier cleaned the rifle barrel to ensure accurate firing.

士兵清洁了步枪枪管以确保射击精准。

The gun's barrel was made of high-strength steel.

这把枪的枪管由高强度钢制成。