半自动手枪又叫自动装填手枪，是通常意义上的自动手枪，区别于全自动手枪。 它是指仅能自动装填弹药的单发手枪。即射手扣动一次扳机，只能发射一发枪弹。它通过火药气体带动枪机，推动套筒后退，完成抛壳和上膛两个动作。扳机的手指即使按的时间长一点，也不会打出第二发子弹。
他们用机枪和半自动手枪挟持船员作人质，然后逼迫船长在索马里海岸北部抛锚数周直到收到赎金。
They hold the crews hostage with machine-guns and semi-automatic pistols, then force the captain to anchor off the northern part of Somalia’s coast for several weeks until a ransom is paid.
他们用机枪和半自动手枪挟持船员作人质，然后逼迫船长在索马里海岸北部抛锚数周直到收到赎金。
They hold the crews hostage with machine-guns and semi-automatic pistols, then force the captain to anchor off the northern part of Somalia's coast for several weeks until a ransom is paid.
哈桑手持两把手枪，其中一把是半自动手枪，冲进了一间满是士兵的就诊室(他们即将被派往伊拉克和阿富汗)，并开枪打死了13人，打伤超过30人。
Hasan, armed with two handguns including a semi-automatic pistol, walked into a processing centre for soldiers deploying to Iraq and Afghanistan, where he killed 13 and injured more than 30.
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