unit seven中文什么意思

例句与用法

1. Officers seized inside the unit seven grenades , one ak 47 rifle , two shot guns , one . 45 pistol , six 7 . 62 mm pistols and more than 800 bullets of various types . most of the weapons were found inside a luggage
   探员在单位内检获七个手榴弹、一支ak47步枪、两支散弹枪、一支点四五口径手枪、六支七点六二毫米口径手枪及超过八百发子弹，大部分的武器均被放在一个行李箱内。