submachine-gunˈsʌbməˈʃiːnɡʌnBNC¹⁷³⁹⁹⁵⁺² 基本例句 n.冲锋枪；手提轻机枪 Three more were killed when National Guard troops retook the jail’s Rodeo I unit, where they found assault rifles, hand grenades, a submachine-gun and5,000 rounds of ammunition. 国民警卫队重新控制 Rodeo监狱第一单位时，发现了突击步枪、手榴弹、一支冲锋枪和5000发子弹，另有3人被击。 ecocn