zhè zuò / bó wù guǎn / bǎ / yì zhī / tuì yì / de / tū jī bù qiāng / zuò wéi / zhǎn pǐn / bìng / xiáng xì / shuō míng / le / tā / de / lì shǐ / bèi jǐng

这座博物馆把一支退役的突击步枪作为展品，并详细说明了它的历史背景。

This museum displays a decommissioned assault rifle and provides detailed information about its historical background.