It’s the gun with a large circular cartridge.

是带有大圆形弹药筒的枪。

He undid the catch, shook out the cartridges, and examined it with care.

他解开锁扣， 抖出弹药筒， 仔细检查。

We found some cartridges and different casings.

我们发现了一些弹药筒 还有不同的外壳。

He tested the triggers and changed the cartridges, whistling a music-hall tune as he did so.

他试了试机， 换了弹药筒， 边吹音乐厅的曲子边吹口哨。

The result of his tireless efforts was the AK-47, a gas-operated, selective-fire rifle chambered in the intermediate 7.62x39mm cartridge.

他不懈努力的成果是 AK-47，是一种装有 7.62x39 毫米中间弹药筒的导气式选择性射击步枪。

Gemma, with bare arms and an apron over her dress, was standing at a table, putting up little packages of cartridges for distribution.

杰玛光胳膊，裙子上裙，站在一张桌子旁，把小包的弹药筒放起来分发。

Turning again to the box she rummaged to the bottom and there in a corner she came upon a little box of cartridges.

她再次转向盒子，翻找底部，在一个角落里，她找到了一个装弹药筒的小盒子。

I took it out and swung the cylinder away from the frame and tipped the cartridges into my hand, five full, one just a blackened shell.

把圆筒从框架上取下来， 把弹药筒倒在我手里， 五个装满了， 一个只是一个发黑的外壳。