Using one trigger, the rifle can fire a standard 5.56mm Nato bullet and a 20mm high explosive shell that will burst in the air.是什么意思_Using one trigger, the rifle can fire a standard 5.56mm Nato bullet and a 20mm high explosive shell that will burst in the air.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句